I'm probably going to buy a subscription to Tab Pro, I just have a question though. When I search for tabs I see some listed as Tab Pro and some as Guitar Pro, are these the same thing? Or if not, can they both be viewed with Tab Pro anyway?

Thank you.
Guitar Pro is the application used to create the tabs/sheet music. When you upload them to UG, they graciously convert them to Tab Pro and then charge to view them. If you own Guitar Pro, you can download the file and open them on your PC. If you don't own Guitar Pro, you can pay UG to view them.