Do I need a Licence to sell on Printify?

Do I need a Licence to sell on Printify? Printify requires you to submit these documents for verification: your state sales tax license for each state ID number you will be using on a resale certificate, as well as your business registration license if you are using a DBA (Doing Business As) name.

Printify requires you to submit these documents for verification: your state sales tax license for each state ID number you will be using on a resale certificate, as well as your business registration license if you are using a DBA (Doing Business As) name.