Hello @Jan Richter Thank you for reaching out to us on Microsoft Q&A platform. Happy to help!
From the details you shared, I understand that you are looking to create a cost dashboard and pin the donut charts at the bottom of an accumulated view to the dashboard.
I'm afraid to say, donut is not the part of the main chart. Please see the screenshot below with highlighted information for clarity.
Source link - https://learn.microsoft.com/en-us/azure/cost-management-billing/costs/save-share-views#save-and-share-cost-views
Hope this answers your question. Feel free to reply if you have any questions!
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