Hi @Vincent Anderson ,
my understanding:
If you choose the B1s VM SKU for the "OpenVPN Access Server" the Azure compute costs are covered by the "750 hours free per month of B1s VM".
But you need to provide an "OpenVPN Access Server" license:
----------
(If the reply was helpful please don't forget to upvote and/or accept as answer, thank you)
Regards
Andreas Baumgarten