Tell PMPro to filter the content a bit later.

my_init_change_pmpro_content_filter_priority.php

/*
	Tell PMPro to filter the_content a bit later.
	
	This will sometimes fix issues where theme or plugin elements (e.g. videos)
	are not being filtered by PMPro. Note that this sometimes will cause
	some things (e.g. share links) to be filtered that you don't want to be
	filtered... and sometimes edits to the theme or a child theme are
	required to get the desired effect.
	
	Add this to your active theme's fucntions.php or a custom plugin.
*/
function my_init_change_pmpro_content_filter_priority()
{
	remove_filter('the_content', 'pmpro_membership_content_filter', 5);
	add_filter('the_content', 'pmpro_membership_content_filter', 15);
}
add_action('init', 'my_init_change_pmpro_content_filter_priority');

This recipe is included in the blog post on "Filter Members Only Content Later (for Page Builders and Certain Plugin Conflicts)" at Paid Memberships Pro here: https://www.paidmembershipspro.com/filter-members-only-content-later-for-page-builders-and/