I had it, now can't find it again. I did NOT use anything to do with 'easy access. I can only find the easy access method and a short one page blurb.
Edit. Found it, for anyone else looking.
https://community.teamviewer.com/English/kb/articles/109952-provide-unattended-remote-support
Noobs b warned. This does not work unless the HOST computer has a FIXED IP, unless you want to do down the rabbit hole of port forwarding and other eldrich horrors.