If you want to check how many Candidates your Vendor has submitted in the system, you need to go to the Candidates screen from the left-hand menu option.

In the Candidates Module, simply filter the Candidates by the Owner of the profiles, from the left vertical filter options.

You can also see the Owner's name on the Candidate panel.

Search Candidate Submitted by Vendor

To search candidates that the vendors submit to the system. To do so, you need to go to the Advance Search option, which is on the right-hand side of the Candidates screen. 

In Advance Search you need to click on the Other Search Tab.

Now you need to scroll down and choose the Vendor Name or Vendor Contact to search the Candidates submitted by the Vendor. 

Click on the search button at the bottom to search for the vendor.