He doesn't post up his sheet music :( His songs are really great though. Some of my favorites from him are

Lightning's Theme
http://www.youtube.com/watch?v=FijIY1OIT7o

Vanille's Theme
http://www.youtube.com/watch?v=uXVemydJvSA
A Bond We Share
http://www.youtube.com/watch?v=_NXsyL1u9nY

His youtube channels are: http://www.youtube.com/user/max05233157 /
http://www.youtube.com/user/max05XIII