I appreciate you for sharing your experience here in the Community, @GuyB.

Let me share an update about the issue of inviting employees to view their paychecks in the ViewMyPaycheck online. 

I understand it can get frustrating to have your issues at repeated occurrences. I've check the investigation status about this issue, and it still in progress. As of now, we haven't received any updates if when this will be resolved but rest assured that our engineers are currently investigating and working on an immediate fix.

Rest assured, we’ll keep you posted once the issue is resolved. If you’ve been added to the list of the affected users, you’ll be notified through email.

Please know that you're always welcome to post if you have any other concerns. The Community will always here to help.