Can I edit or add Comments, Annotations to the exported PDF file
You can try the free PDF-XCHANGE VIEWER (http://www.docu-track.com/home/prod_user/PDF-XChange_Tools/pdfx_viewer/) from Tracker Software
You can try the free PDF-XCHANGE VIEWER (http://www.docu-track.com/home/prod_user/PDF-XChange_Tools/pdfx_viewer/) from Tracker Software