Azure Workbooks are one of those capabilities that you may not realize how much you benefited from learning about, until you have solved some big challenges from the insights that were surfaced from them
Consuming Azure Workbooks
Using Azure Workbooks to get insights into your identity environment
Azure Workbooks overview - Azure Monitor
Learn how workbooks provide a flexible canvas for data analysis and the creation of rich visual reports within the Azure portal.
Creating Azure Workbooks
Azure Workbooks templates - Azure Monitor
Learn how to use Azure Workbooks templates.
If you are just getting started with Azure Workbooks, check out the guide on Kusto Query Language (KQL) for learning resources.