Plan check is the review stage in which a building department evaluates submitted plans and supporting documents against the requirements that apply to the project. It is not the same thing as permit issuance.
Building departments use their own terminology, deadlines and procedures. Treat this as a practical orientation and verify the current rule with the jurisdiction that issued — or would issue — the permit.
No. Plan check is a review step. Permit issuance generally follows only after required reviews, corrections and other prerequisites are satisfied.
Yes. A reviewer can issue corrections and review a revised submittal again before the project is ready for issuance.