Can I save a screenshot (image or pdf) to a field on a database?
You can only send URL type of files (like image URLs) to these databases fields, we do not support sending screenshot files yet.
A workaround in these cases is to add the screenshot file to google drive and add that file's URL into your database.
We have plans to make this available later on. You can upvote and be in the loop for this feature request on Canny.
Adding files (images or pdfs) into Airtable Database