Hello, @Jack Lee,
Please once make sure that you have installed the plugin “WCMP Multivendor Marketplace Solution for WooCommerce” if not you can install it from the Dashboard >> XStore >> Install Plugins.
I think the plugin is not installed on your site that’s why the plugin shortcode appears on the site but not the content. If the issue still persists then please share your site WP-ADMIN Login details in the below-listed format in the private content area so that we’ll check and assist you accordingly.
Please read WCMP official thread on this issue as well: https://wclovers.com/forums/topic/wcmp-vendors-list-not-showing/
WP Admin URL:
WP Admin Username:
WP Admin Password:
Kindly please take the complete backup of your site, first.
And I also need your permission to debug your site, which includes deactivating all the third-party plugins and on-site Customization as well.
Regards 8Themes Team.