Yes, you can set and manage budgets for the Sources you’ve added to your Campaign. Here’s how:
1. Login to your Advertiser Console.
2. Click Campaign >> Sources tab.
3. Click on Budget against the desired Source.
4. Key in the desired amount in the Budget field.
5. Click Save.
You can modify the budget for more than one Source at a time. For details on the same refer to ‘How can I bulk edit Sources for my Campaign?‘