What is the name of the Adobe software that is used to create PDF (portable document format) files?
History of the Portable Document Format (PDF) was one among a number of competing formats such as DjVu, Envoy, Common Ground Digital Paper, Farallon Replica and even Adobe's own PostScript format. In those early years before the rise of the World Wide Web and HTML documents, PDF was popular mainly in desktop publishing workflows. PDF's adoption in the early days of the format's history was slow. Adobe Acrobat, Adobe's suite for reading and creating PDF files, was not freely available; early versions of PDF had no support for external hyperlinks, reducing its usefulness on the Internet; the larger size of a PDF document compared to plain text
History of the Portable Document Format (PDF) July 1, 2008 and titled "Document management – Portable document format – Part 1: PDF 1.7". ISO 32000-1:2008 is the first ISO standard for full function PDF. The previous ISO PDF standards (PDF/A, PDF/X, etc.) are subsets intended for more specialized uses. ISO 32000-1 includes all of the functionality previously documented in the Adobe PDF Specifications for versions 1.0 through 1.7. Adobe removed certain features of PDF from previous versions; these features are not contained in PDF 1.7 either. The ISO 32000-1 document was prepared by Adobe Systems Incorporated based upon "PDF Reference, sixth edition, Adobe Portable Document Format version