Who are the audience of project charter?

An equipment vendor will implement a new production line for a client company. The year-long project will include 2- to 4-month long iterations; however, the client's project manager has no agile experience.
How should the project manager ensure that the client is effectively represented in the daily meetings?

You are working in the Project Office of your organization. What is your job responsibility?

The document authorizing functional areas to charge against the project is the:

A proved manager joins a protect with cross-functional stakeholders and a fixed go-live date. The project manager wants to quickly gather requirements and ensure all stakeholders are aligned so that any conflicts are flagged as easily as possible.
What should the project manager do?