Power BI has the ability to import custom visuals and use them in your reports
and dashboards. This is a great option to extent the visual capabilities of
Power BI without waiting before Microsoft is adding that visual capability. Even
Microsoft has created a gallery of 'approved' visuals to be used with Power BI.
First there visuals were uploaded and stored within the report, but this has
recently changed with the introduction of the Azure CDN capabilities.
Azure CDN [ht