Ok just installed the beta and waiting for release but I'm confused with a couple of features.

First of all I linked my PC account with Sony PSN account which cannot be undone.

I remember reading that I cannot use my pre-exisiting PC character in PS4 beta which makes sense, so how do I participate in beta ? by creating a new character on that service account strictly for beta test ?

Also upon PS4 release will I be able to play my current PC character on both platforms with no restrictions, for example playing PC version at home and continuing progress on my PS4 at a friends place ?

Thanks for any feedback