Hello proffessianals, can you help me! I have to do 3 tasks.

I have 3 questions, if you have 5 free minutes, you can answer on it:

Can you help me to decide two tasks:

1) How can i do in format of planning,that for each branch was shown own set of articles ( in SAP BPC NW/MS).

Different branches have articles which can partially match or differ?

2)How can i do derivation of values of dimensions, when i am planning in SAP BPC NW/MS, depending on article, to do automatic filling of form?

3)How can i relize matrix agreement in SAP BPC NW/MS, i.e. when each budgetary form conform on branch (by meneger of process) and in head office by profile department?