Final answer:
The Stakeholder Analysis should not be made available to all key project stakeholders due to its sensitive nature.
Step-by-step explanation:
The project document that should not be made available to all key project stakeholders due to its sensitive nature is the Stakeholder Analysis.
The Stakeholder Analysis is a document that identifies and assesses the interests, power, and influence of various stakeholders in a project. This analysis often includes sensitive information about stakeholders' concerns, relationships, and potential risks.
Sharing this document with all stakeholders may compromise the confidentiality of the information and hinder effective stakeholder management.