Once you have installed Easy Digital Downloads - Frontend Submissions you can create a vendor page that will display the selected vendor's downloads and relevant information.
- Create a new page via Pages > Add New in WordPress
[downloads]shortcode to the page description.
- Apply the Page: Vendor Profile page template.
- Assign this newly created page to the "Vendor" setting in EDD FES > Settings > Pages
- Visit Settings > Permalinks and click save.