FSSC

Ok I am a little confused can FSSC be used for FS2004.
It is my impression that you can not use this program for fs2004. The site does not say one way or the other. I see posts here of people saying to use FSSC for scenery for FS2004.
So which is it YES or NO ???
It is my impression that you can not use this program for fs2004. The site does not say one way or the other. I see posts here of people saying to use FSSC for scenery for FS2004.
So which is it YES or NO ???