It would be great if we could hover over labels to get the label description:
I'm aware we can go to the "See Descriptions" link to get the label descriptions:
https://community.esri.com/t5/arcgis-pro-documents/arcgis-pro-labels/ta-p/1000519/jump-to/first-unre...
But it would be more convenient to simply hover over the label buttons to get that information.