The file size limit is up to 20MBs per document h given network performance and client experience we would recommend keeping PDF files around the 1-2MB mark.
There is NO limit on the number of independent they can all be up to 20MB.
With large documents:
There is a limitation of 7MB when attaching the files to the final completion email. In the case where an attachment is too large, will send out a download link and the client will be able to manually download the documents.
Please note that once the bundle is archived the documents will no longer be available to the customers via that link.