You just have to apply payment and credits for your invoices, then prepare a statement for your job or project. Everything including the credits and draws will be displayed on the from there.
Here's how to prepare a statement:
Click on Sales at the left pane, then select Customers.
Choose the job or customer you want to prepare a statement by checking the box beside it.
Tap on Create statements under the Batchactions.
To learn more about invoices and statements in QBO, check out these articles: