Browser PDF Viewing & Annotating. activePDF Portal is an easy to implement web control which enables users to interactively view and modify PDF documents from any source in a standard web browser and maintain business guidelines. activePDF Portal is equipped with tools for adding annotations, text, shapes and callouts, as well as standard page manipulation. It provides business users the functionality they need without the overhead of costly desktop software. activePDF Portal hosts PDFs behind your firewall, protecting confidential documents from unauthorized distribution or tampering. Mobile-device ready, Portal allows users to view, edit, and form-fill PDFs using smart phones and tablet devices. Use your standard browser to save partially modified PDFs for later or quickly add text, bookmarks, form-fields, hyperlinks and more.