The digital edition is just that, digital. Don't get any physical copy of the game/book whatever else there was :)

There are a few new servers ^^
*Shinryu, Jenova, and Zodiark are new Worlds that will be added coinciding with the start of Beta Test Phase 2.
These Worlds are recommended for players beginning the game with the PlayStation®4 version; however, users currently playing the official release version are free to create characters here as well. It will not be possible to World transfer to these new Worlds until the economies of these new Worlds have had time to develop.