We're looking for investors with 'pockets' that are deep enough to pay for the project. [=investors with enough money to pay for the project]
People 'vote their pocketbooks'. [=people vote according to how a candidate or issue will affect their financial situation]
It turned out that they had 'pocketed' [='stolen'] most of the money that was supposed to go to victims of the fire.
(..) it was. They'll see. They'll see. I'm still Andy's favourite toy. I was on top of the world livin' high It was right in my pocket I was livin' the life Things were just the way they should be When from out of the sky like a bomb (..)1995 Toy Story