There are several ways to login to Templafy depending on how your company solution is setup.
Users can be invited by a system administrator and will be sent an e-mail invite
Your company domain can be added to the Templafy solution so all users with an email from that domain can login without having to be invited.
Single sign on
Templafy can be setup to use your company's current federation solution, so you're already signed into Templafy when you're logged on to your computer