I have been asked a few times, specifically, how to make a job on a DEV@cloud Jenkins instance readable to anonymous users.
As luck would have it there is a guide for how to do this here.
This is enabled by the powerful “RBAC” plugin from Jenkins Enterprise - which is baked into DEV@cloud. I wrote a bit of an intro to it to introduce some of the concepts (it also links to the formal guide).
It is fairly powerful and you can slice things up, probably, any way you want, regarding access control.