Render a Gravity Forms editor block on another page.

example-template.php

<?php
get_header();

/** @var WP_Post $page */
$page = get_post( 308 );

$blocks = parse_blocks( $page->post_content );

ob_start();

foreach ( parse_blocks( $page->post_content ) as $block ) {
	echo $block['blockName'] === 'gravityforms/form' ? do_shortcode( render_block( $block ) ) : render_block( $block );
}

echo ob_get_clean();

get_footer();