Project manager is a position whose job is to plan and implement the project, and supervise and control the quality, progress, cost and other issues of the project. PMO is more like a department and organization. Its work includes training project managers, providing consultation and guidance for project management, etc.
The main difference between PMO and project manager is that project manager belongs to a position, which belongs to one person. The full name of PMO is project management office, which is more like a department or organization.
Secondly, the work contents of the two are also different. The project manager is usually only responsible for a project. He needs to plan and implement the project, and supervise and control the quality, progress, cost and other issues of the project.
The functions of PMO can be divided into daily type and strategic type. Its main functions and functions include cultivating project management personnel, improving project management ability, providing consultation and guidance for project management, etc.