When you generate PDF files from FrameMaker documents, you are required to set a number of options in the PDF Setup dialog box. For example, your organization may have customized PDF job options that you need to specify.
FrameMaker 9 documentation has a detailed article on the considerations for generating PDF files. The article also explains how you can optimize the size of the generated PDFs, control SWF file and 3D object embedding, and make your PDF files more accessible for the differently-abled.
Read the FrameMaker Help article here!