1. add <web site name.com> (where the application is running) to the IE 11 compatibility view settings.
2. A security policy is set for IE 11 and requires a verified publisher cert. for the Bentley System’s Active X control (This was required due to defining the website in the “trusted sites”).
3. TURN OFF Active X filtering on regular (computers) clients – Note: it appeared to not matter if this was set on a Surface tablet running the Windows 10.