Don't know what about STL data exactly, but to be blunt, Adobe is pretty bad at exporting things from it. As well as many of software-based editors and readers like Nitro, Sumatra and else. I know the only one tool that does so as it supposes to, but it's an online thing https://boston-real-estate-board-form.pdffiller.com/ There's another way as well, you may purchase a pro licence for your Adobe application, but it'll cost you way more