To see any credits associated with your Showpass account, you can either click on your name in the top left hand corner and select 'Credits.'
Or select 'Credits' from the right hand side menu if you are already in your profile.
On your credits page, you will be shown any Universal Credits, Organizer Credits, or Ticket Credits that you may have.
To view any events that you are able to redeem your credits for, simply click 'View Available Events' on any of the credits and you will be shown events that you can apply them to!