I sent only one email on this email address to themI think they send in the request post your email. Congratulations for PPR. I am in same position as you I have my Medical passed on 2nd dec, just waiting for PPR. Did you write to them or raised any web form or call them post medical pass?
IRCC.COVID-TravelExemptions-Exemptionsdevoyage-COVID.IRCC@cic.gc.ca