If you sell or share protected PDF files, user control is not optional. You need to decide what happens when a user’s access time ends. Should they lose access immediately? Should their account stay but be blocked? Or should everything
PDF Screen Shield — Prevent Screenshot Capture of PDF Documents
PDF Screen Shield is a set of techniques and client-side protections designed to deter and reduce the ability of end users to capture screenshots of protected PDF content on desktop and laptop devices. This article explains how Screen Shield works,