You can share workbooks as a link but the user must have read access to the workspace and the data first.
https://charbelnemnom.com/how-to-import-export-and-share-workbooks-in-azure-sentinel/
Workbook tiles can also be pinned to Dashboards. They can also be shared; same access-first requirement applies to view.
https://learn.microsoft.com/en-us/azure/azure-monitor/change/change-analysis-query