Symptoms

When Opening the Process Overview option on Workspace it does not load the report. When running the same menu option with F12 debugging on an error is presented "Unable to get property 'style' of undefined or null reference

Diagnoses

The workspace web site was not added to the IE compatibility list.

Resolution 

After adding the workspace site to the IE compatibility list, the issue was resolved.

Settings > Compatibility View Settings > add the workspace site to compatibility view.