Yes, you can, @RosaAnna. I can see passing the exam is a great achievement and I’m here to direct you to the process.
QuickBooks Online Accountant is a cloud-based accounting practice management software. Accounting professionals are eligible to participate in the QuickBooks Online ProAdvisor program for free after they register. Therefore, you can use it for free accounting practice as it has the capability to manage all of your bookkeeping needs.
Before you can access the QuickBooks Online Advanced certification exam, you’ll need to complete the QuickBooks Online certification exam first. Once done, we recommend you to wait at least 90 days before attempting the training and exam for the QuickBooks Online Advanced Certification. For the training, the ProAdvisor page's Training tab allows you to register directly for webinars and in-person training.
See this article to learn how to sign up and create a QuickBooks Online Accountant firm: Sign up for QuickBooks Online Accountant.
To further help you prepare for your next exam, I've added these links that you can use for guidance:
Stay in touch if you need anything else. Take care and have a good one.