This section lists and explains all of the advanced features for PDF output:
1.Include back pages and PDF files created for duplex printing.
2.PDF/A output.
4.Encrypt and password protect PDF files.
5.Embed files in the PDF.
6.Include dynamic images from the IFS or an external http server.
7.Include dynamic links in the PDF file.
8.ZUGFeRD PDF files can be created for german invoices.
9.Add a written signature with the signpad module.
10.Add keywords to the PDF.
11.You can even add bookmarks to the PDF.
12.Multi-Up or N-Up can be used if you want to include multiple input pages on each output page.
13. There are many option to change the input spooled file prior to the merge as described here.
