A: No. A proxy changes your IP address, but Facebook still sees that no access token is present. The proxy does not bypass Facebook's login wall.
that is sometimes accessible to non-users for searching public names. Public Pages and Groups Facebook Profile Viewer No Account
: Acts more like a "forensic" engine, using historical patterns and metadata trails to reconstruct a profile’s structure and growth trends. Facebook Profile Viewer No Account
While no tool can "unlock" a private profile, these methods allow you to see publicly available information anonymously: Facebook Profile Viewer No Account