Have you gone through the existing documentation as covered in this post? https://communities.sas.com/t5/SAS-Viya-on-Microsoft-Azure/How-to-get-support-for-SAS-Viya-on-the-Microsoft-Azure/m-p/834841#M2
From what I understand (which isn't a lot) you go through the Azure Marketplace make point-and-click selections and then your Viya environment is created by automated scripting. I'm not aware of any manual deployment option.
... View more