WC Vendors and WC Vendors Pro are developed to work with any 100% compatible WooCommerce theme. This means that your theme implements full compatibility with WooCommerce. If your theme uses the optional woocommerce.php template file, your theme is not supported.
Jamie is the founder and lead developer of WC Vendors. He has been working in the WordPress, WooCommerce and Marketplace space for more than 15 years, 9 of those dedicated to multivendor marketplaces.