PowerBI "Embed for your customers" - no powerBI authentication for users

Hey Everyone,

Im trying to embed a powerBI into one of our Appian apps. Considering that this report has to be exposed to users who might not have powerBI licenses there is a way to expose it externally within an application by using "Embed for your customers" feature. 

This means that the only potential obstacle is Appian. I have observed that the webComponent in Appian appears to be unable to pass any data, including tokens (it can only accept url). Is there any other way for implementing such functionality? I believe that creating our own custom plugin might be an option although I dont have enough expertiese in it yet to make that judgement. Would custom plugin be able to achieve this requirement or is there any other easier way in Appian to do the same? I had a look at some existing powerBI plugins but they dont seem to be for "Embed for your customers" option

Main goal is to use JS or replicate the same with Appian based on example from microsoft documentation:

Thanks