Pro-APR can be used to look at each layer and find the event behavior rules. From Feature class properties, choose Location Referencing, then Event Behavior Rules.
The Pro-APR LRS configuration GP tools should be used by admins to modify the event behaviors.
Aside from Ayan's recommendation regarding the ability to view Event Behavior properties for each LRS event in the Location Referencing properties there is another trick which is closer to an "Easy Button"; for now lets call it an "Easy-ish button"...
One of the nice things about this approach is that it also sets you up for a model to bulk update event behavior through either ModelBuilder or Python! Hope that helps -
Esri Transportation LRS Team