Try following the steps here and let us know if you still have the issue:
UPDATE: the button not appearing at all indicates that this is not a missing media issue, rather the Pixorize field doesnโt have contents at all. Resetting local changes as described in the linked post and checking protected fields should help.
All of those steps are followed. I am not missing any media. It is showing up in the extra fields. It is just not visible when actually doing the cards (have to press browse, look at the card fields- absent when actually doing the cards).