For regular processing IRCC only starts processing overseas dependents files AFTER the principal applicant becomes a PR. Your dependents access to PR is based on your PR status, so until you are a PR your dependents file is not processed.
I am a protected person in Toronto and my partner lives in India (never been to Canada), she was on my application from day 1 as my common-law partner.
Here is my timeline:
Feb 2022 - Submitted PR application for both of us
Jan 2024 - PR granted to me
Feb 2024 - Confirmation my partners PR was sent to the local office (New Delhi)
Sep 2024 - Additional documents requested for my partner
Sep 2025 - Biometrics (partner)