Resolved
Reported for: Toolset Maps 1.5.1
Resolved in: 1.5.3
When you add HTML content to a Marker pop-up, it is displayed as raw text when using Azure Maps API instead of rendering the expected markup.
This issue will be fixed in the next release.
Until then, you can download this patch, unzip it and upload the wpv_addon_maps.js it contains into the ../toolset-maps/resources/js folder, overwriting the file with the same name.