Role Administrator-SME / Administrator-EXT

Can anyone tell me the difference of the role "Administrator-EXT and Administrtor-SME and Administrator -PGV.

the easy way is to take a look in the Permission Matrix

image

I did that but the role of Admin(EXT/SME/PGV) al the same, so what tells me that.?? ore what is the meaning of EXT/SME/PGV.

okay this is special for the Appliance but I dont know the difference also in the Doku its not descripted

perhaps an other Appliance User can help you