The Public - watch online: streaming, buy or rent
Currently you are able to watch "The Public" streaming on Amazon Prime Video, Amazon Prime Video with Ads or for free with ads on Rakuten TV, Amazon Prime Video Free with Ads, Plex, Amazon MX Player. It is also possible to rent "The Public" on MovieMe, Amazon Video, Apple TV Store, Rakuten TV, Sky Store online and to download it on Apple TV Store, Sky Store, Amazon Video, Rakuten TV.
Besides streaming, you can also buy the movie on DVD from Zavvi and watch it anytime.
