Azure Map reference layer not rendering properly in power bi service (transparency & missing shape)

Hi Anonymous -This is a known issue with Azure Maps in Power BI Service, especially when layering multiple maps and using transparency settings. The differences in rendering between Power BI Desktop and Power BI Service can sometimes lead to unexpected behaviors, particularly with transparency and GeoJSON layers. 

Make sure that transparency settings are set identically across all layers in the Azure Map visual, as any discrepancy can be exaggerated when rendering in Power BI Service.

Adjust the transparency slightly (e.g., from 50% to 49%) to test if this forces Power BI Service to render the layers correctly.

Power BI Service may struggle with complex GeoJSON files, especially when multiple layers are involved. Simplify the GeoJSON file if possible by:

Reducing the number of vertices in the shape outlines.

Using a simplified version of the file for each map layer.

As a workaround, you could try embedding a static GeoJSON file instead of dynamically loading it via Azure Maps layers. While this isn't ideal, it may help you preserve the transparency and boundary details in Power BI Service until a fix is applied.

Hope the above information helps.