Many thanks for your replyHope the below information is helpful for you
Approved permanent resident applicants with expired or expiring documents
If we already approved your permanent resident application but you can't travel to Canada before your documents expire, use the Web form to tell us why you can’t travel.
Once it’s possible for you to travel, use the Web form to let us know so we can tell you what to do next.
Source - https://www.canada.ca/en/immigration-refugees-citizenship/services/coronavirus-covid19/immigration-applicants.html