If you are looking for what these files typically contain, here are the main features:
: Step-by-step instructions on how to enter unique codes printed on the physical device to unlock live TV channels, movies, and series.
While "AZTV" is the name of the IPTV service for these hardware devices, it is distinct from , which is the national broadcaster of Azerbaijan. If you were looking for official apps from the broadcaster, they provide mobile applications on the Google Play Store and Apple App Store for watching live national news and programs. AzTV - App Store
These PDF files are generally used by users looking for instructions on how to manage their "Cuentas" (accounts) or activate specific licenses for the service. Key Features of AZTV Account Documentation