No you have to pay for them. Unless you paid for copies they are copyrighted images, kinda like how portrait companies would send home those test photos for school picture day.
Screenshotting isn’t even worth it if you’re trying to show off the condition of the card though, it’ll show up as super compressed and blurry when people try to zoom in on it on eBay. Just pay the $10 for hi res images and add it to the cost of the card on your listing. If you can’t justify that cost for the card, then you don’t need a screenshot and a simple smartphone photo will do instead.