Copilot for Microsoft 365 Security and Governance AMA

From a governance perspective, how can we gain more visibility into the ways that our users are leveraging M365 Copilot? For example, whether it's seeing the prompts they are using or the documents, meetings, email threads, etc. that M365 Copilot is referencing to provide responses, or some other insights. This would be really helpful to tailor training to users in case they are not using the right tool for the right purpose and to understand what users are searching for or trying to accomplish in case we would need to extend Copilot using Copilot Studio to address specific needs that we can support with usage data.