Parlor, Bedroom and Bath is a curious mixture of all that was good and everything that was bad in Buster Keaton's talkie features. sidenote: The Movie was completely filmed in Buster Keaton private 10,000- square-foot Mediterranean palazzo in Beverly Hills
You can stream Parlor, Bedroom and Bath (1931) free and legally on OldReel, via the Internet Archive.
Yes — it is in the public domain and can be watched and shared freely.