How do I edit the target audience of a campaign in the Impact Dashboard?
You can access the campaign and edit the target audience assigned to it.
View Campaigns
In Global Navigation, click the Campaigns link [1].
In the All Campaigns tab [2], click on the campaign you for which you want to change the target audience [3].
Edit Target Audience

You can change the audience by picking any combination of roles [1] or individual users [2]. Click the Save button.