For each campaign on AdEspresso you have logs on what happened to the campaign and some extra details about changes made by rules, if you are looking for something more specific, you can review your logs on Facebook.
To see this kind of information on Facebook, you can follow this instructions:
- Go to your Ads Manager (www.facebook.com/ads/manage)
- You can select your Account History from the dropdown menu labeled 'All Campaigns."
- You'll be redirected to your account history broken down into activity, activity details, item changed, name of person who changed it, date and time.