- If you leave the PDF Name property blank, Live Forms uses the flow/form name as the pdf file name. The PDF will not post to SharePoint generating an HTTP 500 403 status error if the Form Name contains special characters. To avoid any issues, name your form/flows using characters that are suitable for filenames and explicitly set the pdf name in the form/flow using the same standard. Following the POSIX filename standard (A–Z a–z 0–9 . _ - ) will ensure it works.
- Special characters in filenames will cause the submission to be flagged with an error in the