Yes they do, infact some people's documents status remains under review even after issuance of COPR.I have a status under document : being reviewed. But my background check says it has started the background check. Do people also get ppr mails inspite of documents being under review. Since im ip2 as the bacjground check has started.
All the best, please share your timeline and Visa Office, if you know it.
Thank you.