I did not indicate that I wanted separate access, and sent them only one email for both. The first email I got was called
PR Portal (PR confirmation) - New Credentials for the PR Portal. On this one, I got the login and password. The second one under my wife's name is called
PR Portal (PR confirmation) - New Case Created Under Your Account which is just IRCC notifying that a new permanent residence confirmation case has been created under your IRCC Permanent Residence Portal account.
This way, I got only one email with login and password. I think it's correct, right? I must log in once and fill in the information for both of us and it's done, correct?