I am waiting also .Just now got my Credentials email, first email on 28th May 2021, god knows how much waiting from here
I did my first email on 28 and still waiting for login details.
Just to confirm you email on IRCC.ClientPortal-PortailClient.IRCC@cic.gc.ca on this email. Right?
Because I am through representative and I only got pdf from my agent..