Compacte USB-CAN-adapter

In elektor of 02/09 they published an Compacte USB-CAN-adapter. With this adapter it’s possible to monitor the traffic.
I understand that the velbus is a CAN-bus.
So, is it possible to use this adaptor on the velbus to control the remote devices and monitor the communication traffic ?

No, Velbus is an applications specific CAN protocol.
We have the VMB1USB interface so, why using another?

Is it then possible to monitor the CAN traffic with the VMB1USB ?

Yes, you can see the CAN data.