Access InnerBlocks in the Edit Component: https://jeffreycarandang.com/how-to-access-innerblocks-attributes-within-the-parent-block-on-the-wordpress-gutenberg-editor/

edit.js

const { __ } = wp.i18n;
const { useSelect } = wp.data;
const { store: blockEditorStore } = wp.blockEditor;

/**
 * Block Edit Component
 */
const Edit = (props) => {
	const { clientId } = props;
	const innerBlocks = useSelect(
		(select) => select(blockEditorStore).getBlock(clientId).innerBlocks,
	);

	console.log( innerBlocks ); // This will log all the inner blocks on your browser console
};