Final answer:
The correct answer is Option 1, 'Managing stakeholders,' as it is not a process in project communications management but rather part of project stakeholder management.
Step-by-step explanation:
The question is about identifying which of the listed options is not a process in project communications management. The processes that are officially part of project communications management are: Planning communications management, Managing communications, and Controlling communications. Managing stakeholders is actually a process within project stakeholder management and not communications management. Therefore, the correct answer is Managing stakeholders.