Adobe reader is used to view and edit document files of .pdf format.All the documentary files are of pdf format and to open such kind of files,we need a Adobe reader.For many years we are using adobe reader on desktop or notebook,but sometimes we surf internet from our mobile and download such kind of files.But pdf could not open on mobile display.Thats why Adobe has launched its reader for symbian mobile.All the symbian phones can now be able to open pdf files.