When submitting a translation request using the Project Wizard, the project is published right away and a payment confirmation page is shown with a project link and ID. 

This confirms the translation request was submitted successfully and shows the relevant project details:

The new project will also appear on the MyProjects page.   

On the other hand, if you’re making a credit purchase, the credits are stored on your account. No project is opened at this stage.

Your available balance is displayed in the Credit Balance section of your account and on the statement page.

Credits are ready to be used on your next project.