A permanent resident (PR) of Canada is not a Canadian citizen but someone who has been granted permission to live, work and settle in Canada permanently as long as they maintain their status. A permanent resident of Canada can eventually apply for a citizenship once they become eligible. To become a PR, one needs to apply to Immigration, Refugees and Citizenship Canada (IRCC) through various immigration programs which Canada has to offer.
As a permanent resident of Canada, if you pay your taxes and abide by the federal and provincial law and order; you get the right to avail social benefits that the Canadian citizens receive. Such as:
The only restrictions that apply to a permanent resident of Canada is that you are not allowed to run for political office on a PR status and you also may not be allowed to work at some jobs which need high level security clearance.
Your permanent residency status can be renewed every five years, but there are certain requirements which need to be fulfilled in order to retain the PR status. You must be physically present in must live in Canada for at least two years (730 days) in a five-year period. If you live outside of Canada for longer, you may lose your permanent resident status.
You may be able to count your days outside Canada towards the 730 required days, if you meet the following conditions:
A permanent resident is issued a PR card, which while travelling offshore proves that you are a permanent resident of Canada, and you not be required to show any other kind of visa or authorization to enter or re-enter the country. You will need this card travel in and out of the country on a flight, commercial vehicle, airplane, boat, train or bus. It is your responsibility to ensure that your PR card is still valid when you return from travel outside Canada, and to apply for a new PR card when your current card expires.