pmpro-ad-inserter-use.php

<?php
/**
 * When using "Ad Inserter" hide ads from PMPro Members
 * (https://wordpress.org/plugins/ad-inserter/)
 * You can add this recipe to your site by creating a custom plugin
 * or using the Code Snippets plugin available for free in the WordPress repository.
 * Read this companion article for step-by-step directions on either method.
 * https://www.paidmembershipspro.com/create-a-plugin-for-pmpro-customizations/
 */

function my_pmpro_hide_ads_members( $show_ads ) {
    if ( pmpro_hasMembershipLevel() ) {
        $show_ads = false;
    }
    return $show_ads;
}
add_filter( 'ai_block_insertion_check', 'my_pmpro_hide_ads_members' );