You are comparing the difference between Microsoft 365 Copilot and Microsoft 365 Copilot Chat.

Microsoft distinguishes Microsoft 365 Copilot (the full, licensed experience integrated across Microsoft 365 apps and Microsoft Graph) from Microsoft 365 Copilot Chat (the chat-first experience available more broadly). Some advanced capabilities—especially those tied to specialized agents and persistent work organization—are typically associated with the full Copilot license.

The Researcher agent is an advanced capability and is not consistently available in Copilot Chat across tenants because it is treated as a premium agent experience. Copilot Notebooks are also a structured organization feature used to group conversations and share reference materials; this is typically positioned as part of the full Microsoft 365 Copilot experience.

Copilot Pages , however, is the collaborative, editable canvas used to refine, organize, and share Copilot-generated content. Pages is designed to work alongside Copilot Chat so users can move from a chat response into an editable artifact for collaboration and reuse. This makes Pages the feature most commonly available in both the full Microsoft 365 Copilot and Microsoft 365 Copilot Chat experiences.

Therefore, the best answer is Copilot Pages .