The main problem as I see it is if I have to download authenticator onto my personal device because something has happened to my work device. That’s the only way I could see this being a problem since I use Graphene OS on my personal phone. Even then I would probably just use the authenticator on my work computer rather than going to that trouble.
Sucks to have that. Have you tried asking IT if you could use a different one?
The main problem as I see it is if I have to download authenticator onto my personal device because something has happened to my work device. That’s the only way I could see this being a problem since I use Graphene OS on my personal phone. Even then I would probably just use the authenticator on my work computer rather than going to that trouble.