// Make Non Login user see pending posts
function allow_pending_listings($qry)
{
    if (isset($_GET['p'])) {

        $post = get_post($_GET['p']); // parameter "p" in url
        if (!is_admin()) {
            $qry->set('post_status', array('publish', 'pending'));
            // will add the "pending" status to loop query
        }
    }
}
add_action('pre_get_posts', 'allow_pending_listings');