Final Draft 7 / 6 will export to PDF.
Final Draft 7.1x: File > Save as PDF:
Final Draft 7.0x and Final Draft 6: File > Save As, change Format or Save as Type dropdown menu to Adobe Acrobat Document (PDF).
For more information on exporting PDF files from earlier versions of Final Draft 7, click HERE.
NOTE: Final Draft 7's PDF export utility is too old to work on Windows Vista and later. More information is here: Final Draft 7 on Windows 10 / 8 / 7 / Vista won't save as PDF.
NOTE: All support for Final Draft 7, including software activation, has been discontinued. You may find solutions to problems in the online knowledge base or in the PDF manual found on the installation CD.