PIA is able to securely access some Netflix libraries. However, it also works with a number of other popular streaming services including BBC iPlayer, Hulu, and Sky Go. Unfortunately, we found it didn’t work well with Amazon Prime Video in our most recent tests.
Whether a VPN is able to access a particular streaming service is very much a fluid situation and can change at a moment’s notice. It’s always worth trying multiple servers. Be sure to clear your cookies between each new attempt.