If the unit that forges the seal really exists, it is suspected of forging the seal of a state agency (enterprise), and the legal penalty is fixed-term imprisonment of not more than three years ("Criminal Law" Article 280); if the seal is forged The unit is fictitious and does not involve crime.
Forging company information documents does not involve a company seal and does not involve a crime; the seal involved is suspected of forging a company seal and is subject to a fixed-term imprisonment of not more than three years (Article 280 of the Criminal Law).
According to the provisions of the Criminal Procedure Law, the crime of forging seals is a case under the jurisdiction of the public security organs, and the company can report the case to the public security organs.
"Asking the boss to sign an exemption agreement" has no legal effect and cannot exempt criminal liability.