Query Report

Hi Experts,

I have two servers A and B. Each is having two databases P,Q in A and X, Y in B.

Now i want combined reports,

1) Sales Analysis Report - From P, X, Y databases

2) Stock Report - From P, X, Y

3) Pending PO's of P.

4) Pending Po's of X and Y.

How can i get above reports. Please let me know the solution.

Thanks