Immi tracker is just for a rough idea about processing. Each application is different from others. Some may take a week to approve and some stay in process for a year. Next time you call CIC ask if anything is marked as Review Required?
If you check processing times on IMMI tracker, Montreal is slowest possible CPC in Canada. However, it completes processing files in 4 to 5 months for CEC Inland. Have patience and pray your file moves faster.
That varies from application to application. However, you can use the following link and get updates on files near to your AOR date.
https://myimmitracker.com/en/ca/trackers/consolidated-e-apr-tracker-express-entry-permanent-residency-application
21 days timeline is from the delivered date. I called CIC today, the lady was nice and told that she is going to notify the office about sending the passport back.
P.S: As per her visa should be printed as I can see counterfoil number in my account.
No, it does not matter, if you are going to maintain the same address in your driving license as well or Document you used as an address proof. As address proof will be required during your landing after COPR.