CrescoData need to be granted access to the Google AdWords Account.  Please follow the steps below:

How to grant access

1. Sign in to your AdWords account.
2. Click the "Settings" icon  and select Account settings.
3. Select Account access from the navigation bar.
4. Click + Users. 
5. Enter the email address of the person you want to share your account with.
6. Enter a name for your new user. AdWords keeps track of who makes changes to an AdWords account and will use this name to identify who made which changes.
7. From the Choose an access level drop-down menu, select the access level you want this person to have.
8. Click Send invitation.
9. After the person accepts your email invitation by clicking the link in the email, you'll receive a notification in your account.
10. If you need to resend your invitation, click Resend invitation.