Try clicking the below link to report the issue about the missing functions in your Support Center view.
The below is a link to a PADS technote that you might be able to use as a "landing page" as you mentioned
Can read the article you linked but cannot search for new ones. I submitted a service request for help with the website. Unreal.
Some check box on the Mentor back end needed to be ticked. My account did not have permission to access the web-site resources despite a valid license being visible on the site. Customer Service Intervention was required.