Allow Adding/Editing Reviews By Member Type.

yzc_allow_reviews_by_member_type.php

<?php
/**
 * Allow Adding/Editing Reviews By Member Type.
 */
function yzc_allow_reviews_by_member_type( $can ) {
    
    // Get User Member Type
    $member_type = bp_get_member_type( bp_loggedin_user_id() );
    
    if ( $member_type == 'customer' ) {
        return false;
    }

    return $can;

}

add_filter( 'yz_is_user_can_add_reviews', 'yzc_allow_reviews_by_member_type' );
add_filter( 'yz_is_user_can_edit_reviews', 'yzc_allow_reviews_by_member_type' );