This is one of several ‘virtual printer’ The Portable Document Format (PDF) is a file format developed by Adobe to present documents in their original formatting, independent of software, hardware, and operating systems. PDF files can contain text, graphics, links, and buttons, form fields, audio, video, and file creators. See http://www.iteksoft.com for more details.
I use eDocPrinter PDF Pro, which is a pay for product. The main reason for this is that it allows you to create bookmarks for the file based on the font size and type. This means large reports can be accessed more quickly when viewed on the screen. (Jane Taubman is the originator and administrator of the Family Historian User Group. She has been using Family Historian since Version 2 and researching her tree on and off since she was 19. She runs occasional Family Historian Courses.: 28/10/2006)Link: eDocPrinter PDF Pro