I can't read the family and type of the categories: doors, windows, sanitary appliances

Hey @pjojoa

You have a lot of Revit Instances in your model. The data is detached and you simply need to reference the Revit Instance back to the element/type.

You can read more about how to do that here:

or here:

If you can share with us your Speckle URL, we can take a closer look.