PDF (Portable Document Format) - One of the most prevalent formats these days, developed by Adobe System organization, which is implemented on the basis of data, regardless of the operating system. Practically this format can be read on all computers and mobile devices, and is adapted for immediate printing.
.pdf format document (Portable Document Format) - includes texts, images, multimedia elements and scripts in Java Script. For document protection, format supports electronic signatures. The formed (generated) file has no limits for quantity, length and number of fonts. The official application for opening documents- Adobe Reader is associated with many computer programs.