You must have Admin Level - SuperUser access to edit/approve a donation.
Click Business Tools > Event Fundraising Admin from the left navigation menu.
Click the Results tab.
Click the desired donation name.
From this page, you will be able to:
Assign a donation to a different member.
Split an existing donation.
Edit the following information:
Donor Email
Donor Comment
Donation public/private preferences
Payment Method
Donor Billing information
Delete (Refund) a donation
Click Save Changes when finished.