Yes you are fine, they can look it up.
Yes ,if you can pull it up on your phone.
Yes they can at the main gate tell the people at the parking gate
Call customer service while waiting in line they'll email you another copy
You download the pass onto your smart phone nowadays... They scan the barcode of your phone's screen.
Yes ,you can go to costumer service.
Yes
Yes you can check with the gate. My passes did not get emailed to me until I was on the road right in front of the entrance.
I never been SeaWorld
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