Hi,
You can run the command "vpncli.exe" from the command prompt, this will tell you whether the VPN is connected or disconnected.
C:\Program Files (x86)\Cisco\Cisco AnyConnect Secure Mobility Client>vpncli.exe
Cisco AnyConnect Secure Mobility Client (version 4.7.04056) .Copyright (c) 2004 - 2019 Cisco Systems, Inc. All Rights Reserved.
>> state: Disconnected
>> state: Disconnected
>> notice: Ready to connect.
>> registered with local VPN subsystem.
HTH