You're looking for a report on Joe Morello's Master Studies and a possible PDF link. Here's what I found:
Joe Morello, the legendary drummer of the Dave Matthews Band, released a drum instructional book and DVD set called "Joe Morello: Master Studies" in 2009. The book and DVD are designed to help drummers of all levels improve their technique, groove, and musicality. joe morello master studies pdf link
Unfortunately, I couldn't find a legitimate PDF link to Joe Morello's Master Studies. The book and DVD are copyrighted materials, and it's unlikely that a free PDF version is available online. However, you can try searching for the official book and DVD set on online marketplaces like Amazon or Guitar Center. You're looking for a report on Joe Morello's