If you need an overview of the energy label of all your buildings, you can find it at
Settings → Sites
On the far right of the table you can see if the building is energy labeled and which energy label it has. If you hover your cursor over the energy label, you can see all the details.
You can download the energy label information by clicking on the label.
You can also go to the individual building and view its energy label. Click on energy the labels for a more detailed overview. From here you can also download the report by clicking on PDF.