Sure but they're expressly not a $1 billion/year software company. They are a pen-and-paper company that because of the pandemic had to build something quickly with little institutional experience.
Digital literacy from an organization in charge of a standardized test for 6,000 colleges including Princeton, Harvard and MIT isn't too much to ask for in 2020.
So you need to do some little dance to get around it. You can probably run full blown postscript programs on their server if you simply name it .jpg.
College board is a $1 billion/year "not for profit" with a million dollar CEO, there's no excuse for this.