The FO Processor Tab

This tab appears only when selecting to generate PDF output using the IDIOM FO Plugin and allows you to choose the FO Processor.

FO Processor configuration tab

You can choose between three processors:

Tip: The DITA-OT contributors recommend the use of the IDIOM FO Plugin to transform DITA Maps to PDF as opposed to using the standard PDF target in the DITA-OT framework. As IDIOM is also bundled with Oxygen XML Author the PDF2 - IDIOM FO Plugin output format should be your first choice in transforming your map to PDF. If you do not have a commercial license for XEP or Antenna House you can transform using the Apache FO Processor.
Related information
FO Processors
XSL-FO Processors