MicrosoftRobOK it is in the release announcement but not made clear. I have a better-than-average understanding of MS licensing and I feel like I had a bait an switch as well. https://www.microsoft.com/en-us/microsoft-365/blog/2023/09/21/announcing-microsoft-365-copilot-general-availability-and-microsoft-365-chat/
The statement below explains that it is limited to accounts with Enterprise Agreements. To get an EA you need 500+ users and I can tell you from experience that doesn't automatically open the door.
"Enterprise customers should call their Microsoft account representative to purchase Microsoft 365 Copilot beginning on November 1. EAP customers will have the first opportunity to deploy Copilot across their organizations when it is generally available. In addition, we have expanded our EAP to a select group of consumers and https://aka.ms/M365CopilotforSMB, and are excited to learn more as we scale. "
