Hello,
Do you mean this page https://xstore.8theme.com/elementor/demos/niche-market02/vendors-list/ ? WC Marketplace plugin is activated on our demo site, vendors are created – https://prnt.sc/ya4c7v , and displayed on the page via shortcode – https://prnt.sc/ya4g99
[wcmp_vendorslist orderby="registered" order="ASC"]
Regards