prefix_exclude_product_ids.php

<?php
/**
 * Exclude product IDs from global groups
 */
function prefix_exclude_product_ids( $verified, $product_id, $global, $rule ) {

  // Specify your product IDs here
	$product_ids = array( 123, 456 );

	if( in_array( $product_id, $product_ids ) ) {
		$verified = false;
	}

	return $verified;

}
add_filter( 'pewc_after_verify_all_products', 'prefix_exclude_product_ids', 10, 4 );
add_filter( 'pewc_after_pewc_verify_categories_rule', 'prefix_exclude_product_ids', 10, 4 );