I'm having this same problem. I bought Pod Farm 2, which originally did not show up in License Manager until tech support stepped in.
Now, almost a full week after buying the Metal Shop pack, and tech support trying to help, it's STILL not showing up in my License Manager. It shows up in my list of purchased software on the web, but I have no way to activate it! This seems to be a recurring problem, so why has it not been fixed?