Hi Jasaman, you can work anywhere any time you like in Canada because you are already a Canadian PR.B
But i will get my sin number till eCOPR expiry date which is 9 june . So after that i cant do work right if i will not get PR card till 9 june
Only students have a work limitation of 20 hours/week.
Even you have an expired SIN, you could still be able to work, as long as you extend your work permit on time.
After you received your new work permit, you will have to bring your document to Service Canada and updated it. Or use any kind of methods (Phone/Online) to update your new status in Canada.