We have a github repo with a reviewable.io webhook configured. What we are hoping for is that when any new developers are added as a contributor to the repo, they are automatically provided with seamless access to code reviews for this repo in reviewable.io.
Currently when new users attempt to access a reviewable.io code review from a github PR by clicking the purple button:
they are presented with this screen:
And the after clicking "grant authorization", they are presented with this screen: