I provisioned an SQL Server Azure VM using the resource manager template. This method rolls the cost of SQL Server licensing into the VM cost on a month-to-month basis. (I'm paying both for the VM and for the SQL Server license as separate line-items in my Azure billing.) Note this isn't a "managed instance" or an "Azure SQL Server" instance, but a plain Windows VM running a preinstalled and pre-licensed copy of SQL Server.
Now, we have a need for Reporting Services in this instance. My research (e.g.hereandhereandhere) indicates that a SQL Server license is good for the entire BI stack (SSAS, SSIS, etc.). However, the VM does not come with SSRS installed. I want to add SSRS to the same VM that is already running SQL Server.
I can download and install the SSRS engine separately, however, during installation you are either asked to choose...