diff --git a/packages/editor/README.md b/packages/editor/README.md
index 341cda77474e0d..91072345f10605 100644
--- a/packages/editor/README.md
+++ b/packages/editor/README.md
@@ -974,15 +974,49 @@ Undocumented declaration.
 
 ### PostFeaturedImage
 
-Undocumented declaration.
+Renders the component for managing the featured image of a post.
+
+_Parameters_
+
+-   _props_ `Object`: Props.
+-   _props.currentPostId_ `number`: ID of the current post.
+-   _props.featuredImageId_ `number`: ID of the featured image.
+-   _props.onUpdateImage_ `Function`: Function to call when the image is updated.
+-   _props.onRemoveImage_ `Function`: Function to call when the image is removed.
+-   _props.media_ `Object`: The media object representing the featured image.
+-   _props.postType_ `string`: Post type.
+-   _props.noticeUI_ `Element`: UI for displaying notices.
+-   _props.noticeOperations_ `Object`: Operations for managing notices.
+
+_Returns_
+
+-   `Element`: Component to be rendered .
 
 ### PostFeaturedImageCheck
 
-Undocumented declaration.
+Wrapper component that renders its children only if the post type supports a featured image and the theme supports post thumbnails.
+
+_Parameters_
+
+-   _props_ `Object`: Props.
+-   _props.children_ `Element`: Children to be rendered.
+
+_Returns_
+
+-   `Component`: The component to be rendered.
 
 ### PostFeaturedImagePanel
 
-Undocumented declaration.
+Renders the panel for the post featured image.
+
+_Parameters_
+
+-   _props_ `Object`: Props.
+-   _props.withPanelBody_ `boolean`: Whether to include the panel body. Default true.
+
+_Returns_
+
+-   `Component|null`: The component to be rendered. Return Null if the editor panel is disabled for featured image.
 
 ### PostFormat
 
diff --git a/packages/editor/src/components/post-featured-image/check.js b/packages/editor/src/components/post-featured-image/check.js
index 24a9f80058ddcc..823559f766bc35 100644
--- a/packages/editor/src/components/post-featured-image/check.js
+++ b/packages/editor/src/components/post-featured-image/check.js
@@ -4,6 +4,15 @@
 import PostTypeSupportCheck from '../post-type-support-check';
 import ThemeSupportCheck from '../theme-support-check';
 
+/**
+ * Wrapper component that renders its children only if the post type supports a featured image
+ * and the theme supports post thumbnails.
+ *
+ * @param {Object}  props          Props.
+ * @param {Element} props.children Children to be rendered.
+ *
+ * @return {Component} The component to be rendered.
+ */
 function PostFeaturedImageCheck( { children } ) {
 	return (
 		<ThemeSupportCheck supportKeys="post-thumbnails">
diff --git a/packages/editor/src/components/post-featured-image/index.js b/packages/editor/src/components/post-featured-image/index.js
index 5407cac15b5422..63c89669435d5e 100644
--- a/packages/editor/src/components/post-featured-image/index.js
+++ b/packages/editor/src/components/post-featured-image/index.js
@@ -266,6 +266,21 @@ const applyWithDispatch = withDispatch(
 	}
 );
 
+/**
+ * Renders the component for managing the featured image of a post.
+ *
+ * @param {Object}   props                  Props.
+ * @param {number}   props.currentPostId    ID of the current post.
+ * @param {number}   props.featuredImageId  ID of the featured image.
+ * @param {Function} props.onUpdateImage    Function to call when the image is updated.
+ * @param {Function} props.onRemoveImage    Function to call when the image is removed.
+ * @param {Object}   props.media            The media object representing the featured image.
+ * @param {string}   props.postType         Post type.
+ * @param {Element}  props.noticeUI         UI for displaying notices.
+ * @param {Object}   props.noticeOperations Operations for managing notices.
+ *
+ * @return {Element} Component to be rendered .
+ */
 export default compose(
 	withNotices,
 	applyWithSelect,
diff --git a/packages/editor/src/components/post-featured-image/panel.js b/packages/editor/src/components/post-featured-image/panel.js
index 87d80dda4a7c1f..dd2a1527152ddf 100644
--- a/packages/editor/src/components/post-featured-image/panel.js
+++ b/packages/editor/src/components/post-featured-image/panel.js
@@ -15,6 +15,15 @@ import PostFeaturedImageCheck from './check';
 
 const PANEL_NAME = 'featured-image';
 
+/**
+ * Renders the panel for the post featured image.
+ *
+ * @param {Object}  props               Props.
+ * @param {boolean} props.withPanelBody Whether to include the panel body. Default true.
+ *
+ * @return {Component|null} The component to be rendered.
+ * Return Null if the editor panel is disabled for featured image.
+ */
 export default function PostFeaturedImagePanel( { withPanelBody = true } ) {
 	const { postType, isEnabled, isOpened } = useSelect( ( select ) => {
 		const {