I've noticed this recently, and I don't remember it being this way:
Those familiar with Crystal, will be familiar with the Crystal Report Viewer and the toolbar:
When I press the print button I get this:
That's the prompt you receive when it is going to generate a PDF. My reports are set to use ActiveX! Clicking OK will bring up the PDF Viewer (for me Foxit).
BUT .... (there's always a but) ... if I put my website into Compatibility View and click the Print button I get the dialog I expect:
So, what's going on here? Yes, my site was already a 'Trusted Site', and every ActiveX setting you can imagine is enabled. The fact that when I'm in Compatibility View I get the correct ActiveX prompt tells me those settings are OK.
And IE11 has an ActiveX Filtering setting (Tools menu) and that's not enabled, so it's not that.
What's going on here???
EDIT: Tested in IE10 and IE9 - works fine. IE11 is when it "broke".