Explaining the role of the gatekeeper in a workflow

Explaining the role of the gatekeeperWhat can a gatekeeper in the proof’s workflow do? Who should be made a gatekeeper, and how do they release the proof to move on.
Gatekeeper: When to lock the proofWhen a gatekeeper opens the proof, PageProof will ask if they want to lock it. So what does it mean to lock the proof as a gatekeeper?