Berlin, Düsseldorf, Germany, - June 5, 2008 - callas software, leading supplier of PDF technologies for print production and document archival, is proud to announce Adobe has chosen to integrate callas software’s PDF preflight technology in the latest version of Acrobat 9 Pro. Building on a partnership that has existed since 2002, this is the 4th major version of Acrobat to include callas preflighting. The same technology is available to other vendors and forms the basis of the recently announced callas pdfToolbox 4.