How can the PO is to be the focal point for contact for work when an Project Managers (for example) are used to going to individual team members for status of work?

People often struggle with these kinds of issues when starting an agile implementation because they are used to working in an environment where the “unit of execution” if an FTE (full-time equivalent person) rather than a team.

Thinking

Here is the thinking process to understand how (and why) it is expected to work. Note that it is written from the perspective of a Project Manager needing status information, but the thinking applies to all kinds of external stakeholders.