You can use the Get-LicenseInfo command to retrieve the LoadMaster license details.

$license_details = Get-LicenseInfo -LoadBalancer 172.21.59.85 -Credential bal
$license_details
ReturnCode Response                       Data           
---------- --------                       ----           
       200 Command successfully executed. @{LicenseInfo=}
$license_details.Data.LicenseInfo
uuid            : 941b6d65-1758-40a3-8a89-a9b45a8a8512
ActivationDate  : Wed May 17 16:47:46 UTC 2017
LicensedUntil   : unlimited
SupportLevel    : Basic 2 years
SupportUntil    : Fri May 17 04:00:00 UTC 2019
LicenseType     : VLM-5000 ESP GEO
LicenseStatus   : Single Perm
ApplianceModel  : VLM-5000 ESP GEO
MaxVS           : 0
MaxRS           : 0
Bandwidth       : 5000
TpsLimit        : 10000
HA              : no
FirstHA         : no
ModSecurity     : yes
AFE             : yes
ViewAFE         : yes
ESP             : yes
IPSEC           : 2
SingleCPU       : no
VLM             : yes
VlmPlatform     : VMWARE
SKU             : VLM_OVF_64
FreeLicense     : no
Temporary       : no
ASL             : no
MandatoryTether : no
MultipleConnect : no