You can allow other users to submit their auctions to your auction website. Then you can specify commission percentage for every vendor.
Other users need to simply register, login and list their items and its done.
Woo Auction plugin is compatible with WooCommerce Product Vendors Plugin.
After installing WooCommerce Product Vendors Plugin you can add new user with role of Vendor Admin or Vendor Manager from Product > Vendors > Add New Vendor.
Also you can create a registration form by using short code [wcpv_registration] on any page. Using this form users can register as vendors. After user is registered as vendor you can approve those users as vendors.
After new vendor is approved, vendor can add simple, penny or reverse auction product.
To add auction product ‘as a vendor’ please follow next steps
Login to my-account page on website.
Click on Vendor Dashboard button. Here vendors can see their Sales Summary.
Follow Products > Add New, then add simple auction product or penny auction product details.
Instead of Publishing products directly vendor can submit product for review.
Once vendor submits product for review website admin can approve the product. Once approved, auction product will be published.
You can set up payments for vendors from WooCommerce > Settings > Products > Vendors.