QA to product manager-switch career- need advice

I have 12+ years of experience as a Automation QA and I want to switch careers and become product manager. So seasoned product managers can you please share your experience on below-

1. Is the role future AI proof. Someone told me this role will be intact because you always need a human to talk to clients and then communicate it to technical teams.
2. What are the pain points of this career.
3. Is there any certification that can help add weightage to the resume
4. Any helpful online resources to start my learning journey.