OnBase is compatible with various PDF viewers, such as Adobe Acrobat Reader DC and Foxit Reader. You can use any PDF application that provides an OLE interface to open PDFs within the OnBase Client or the Unity Client. By default, the Unity Client uses the Chromium PDF viewer.
For the Web Client, the web browser uses the built-in PDF viewer or a configured extension. For Internet Explorer 11, you must install and enable a PDF add-on, such as Adobe PDF Reader.