Enumerated value for the PDF version created by the Generate PDF service's Optimize operation.
| Namespace | http://www.w3.org/2001/XMLSchema |
| enumeration | PDFRetainVersion |
| enumeration | PDFAcrobat4 |
| enumeration | PDFAcrobat5 |
| enumeration | PDFAcrobat6 |
| enumeration | PDFAcrobat7 |
| enumeration | PDFAcrobat8 |
| enumeration | PDFAcrobat9 |
| enumeration | PDFAcrobat10 |