PROBLEM
ArcGIS Pro allows linking 2D and 3D maps to synchronize both maps within a 3D scene in which the 2D draped content is listed in the 2D Layers category and the 3D layers are listed in the 3D Layers category.
When working in an ArcGIS Pro 3D scene, enabling the labels of a layer listed in the 2D Layers category does not display the labels of the layer.
This is a known limitation. Draped labels for 2D layers are not supported in an ArcGIS Pro 3D scene.
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