Hi 43096076,
Yes Business Premium licenses covers you from Azure virtual desktop licensing perspective :
License entitlement required for AVD :
Microsoft 365 E3, E5, A3, A5, F3, Business Premium, Student Use Benefit
Windows Enterprise E3, E5
Windows VDA E3, E5
Windows Education A3, A5
Still you need to pay for the infrastructure provisioned for AVD. You can check the cost on below link.