It definitely uses the 1994 iteration of the score, yes.
As for the role of Charley being smaller, it's hard to say without having seen the original version. On the OBCR, however, it seems as though we are given much more information about Frank's life outside of Mary and Charley than we are ever given about theirs without him.
It definitely uses the 1994 iteration of the score, yes.
But with 9 players in the band instead of the 12 originally orchestrated for that version. (Including the synth, which for me, takes away a lot of musical character from "Franklin Shepard, Inc" in particular.)
