Protected PDF File Viewers – Installed or Zero-Installation Options Our free Secure PDF Viewers allow you to open and read protected PDF files (VPDF files) on almost any operating system. You can choose to install the viewer on your Windows,
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,