It's important to make sure you upgraded the right account. Prestozon subscriptions work on a per account basis. You will need to upgrade each account that you want to have full access for.
If you want to give an employee or assistant access to your account that you've already upgraded, let us know. We're planning on adding an "add a seat" feature, but for now just open a ticket and we'll get it sorted out.
If you added an affiliate code but are still restricted to one campaign make sure you went all the way through the upgrade process. You need to click "Subscribe" for the upgrade to go through.