Multiplayer and World Composition

thanks for your comment, help me with something please, if I have a map like arma 3, with the measures are 16 km x 16 km (256 km square), and I have different places at a great distance where players may appear, this would work with world compositing? and how many players can have? I will use three lods per model, like houses, cars, etc. let me know your thoughts my friend and if this can be possible, Thanks regards!!!