Hello,
Here you can check the demos:
https://xstore.8theme.com/demos/2/wc-marketplace/
We have installed the mentioned plugins WC Marketplace, Dokan, WCFM Marketplace, added vendors with products and you can check how the vendor page, single product, vendors list page looks with our theme. We created special section to present it https://gyazo.com/d86b957b3b70c1c1ba56ccd54d7cfd88
Every of the mentioned plugins has its own features, you can read more in the plugin description, we are not developers of these plugins, we just added compatibility with them.