It depends on the story’s copyright status and your jurisdiction.
: These stories are only viewable within the Wattpad App and are not saved as standalone files on your device. Online & Third-Party Downloaders wattpad downloader online link
A highly recommended Chrome extension (also available for Firefox) that allows you to download stories as EPUB files, which can then be easily converted to PDFs. It depends on the story’s copyright status and
https://wattpad.to/