Some Privatter posts are not protected by a custom password but instead require that you or subscribe to them on Privatter+ in order to view the content. In these cases, simply following the user may grant you access. This is a legitimate and easy way to view protected content without needing a password.
Some Privatter posts are set to "Follower Only" rather than password-protected. In this case, simply following the creator and waiting for the system to sync (which can take a few minutes) will grant you access. Respecting Creator Privacy privatter password opener free