Hey @atwork1,
There are few nodes what can make (image) or convert (Convert to File) binary files or you could use APIs like renderform.io or APITemplate
if you need PDF, I think that’s no easy, but maybe you can make image and convert it somehow? Or use pdf template api, check this
Also maybe you could find some community node, but I don’t know any what address this problem
If you need like JSON file to be binary I’ve made wf what download data from mongo as JSONL file (I need that for fine tuning)
check also those topics: