Thank you @samliew! I tried it a few different ways again. I was pulling the document from Google Docs and downloading as a .docx. However! I was uploading it first to Airtable then pulling it from there. Airtable saves attachments as arrays even if there is only one, so I’m wondering if that was the problem.
I uploaded the document directly to Dropbox instead of trying to pull it from Airtable first and that worked successfully!!