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.
(..) the only home I've ever known and brave the dangers of the forest saving them before they're eaten Looking up at a sunny sky so shiny and blue and there's a butterfly got a pocket full of songs that I'm gonna sing Some super fun surprise around each corner I'm marching along I've got confidence (..)2016 Trolls