Regarding Input Consumption:

By default, if you use input, it is considered Consumed - used up and nothing else can process it.
And regarding Input Processing Procedure:
The usual order is in the link, but when it comes to regular actors implementing input:

This value decides which actor receives and consumes it first providing nothing else consumed it.
But as a general rule of thumb, you want all input in one place rather than scattered between many blueprints. This explains it well: