How do I give access to a new user?

As you all know, Android, Apple, Amazon Fire, Roku all have a simple setup to allow me to add someone to by sending an invite to their email. I haven’t been able to figure this out on here. Please someone tell me.

Hello

For Smart TV questions, please log in to TV Seller Office: (Seller2.0), go to the 1:1 Q&A section, and ask a question.