From Mapsoft Computer:
Mapsoft Impress, an Acrobat plug-in, is a powerful desktop publishing tool that enables text to be added to a range of pages in a PDF file (text stamping). It can be used for headers and footers, page numbering. Variables can be set to define page numbering, total number of pages and date and time. Bates numbering is supported. It also supports the foreign language characters in Acrobat base fonts such as Times, Helvetica, Courier. Tryout is stamped on your PDF document.