PDF Viewer OCX - Version 3.1.6 PDF Viewer OCX is an ActiveX component which enables your application to display and interact with PDF files. Simply place the control on your form, set the Path property, and you are all set! PDFViewer OCX is identical to Adobe Acrobats PDF Reader program and is .NET compatible! Includes many functions for closing/disabling toolbar, printing, saving copies of PDF files, page navigation, etc.