It's nice to have you here in the Community, @SF33.
You may need to remove/delete and re-invite the accountant user, so your accountant will be able to access your account. I'm here to help guide you how.
Make sure you have admin rights to process your request in removing an accountant user. To remove an accountant user:
Once done, add/invite an accountant user. For the detailed instructions, you may check this article: How to manage an accountant user in QuickBooks Online.
On the other hand, if you're using QuickBooks Desktop (QBDT) for 2018 payroll, payroll won't be migrated from QBDT. You'll need to check or access the file from there and create an accountant's copy to send to your accountant.
To learn more, you may check this article: Create an accountant's copy to send to your accountant.
Please let me know if you have any other questions about accountant access, I'll be always happy to help you. Wishing you continued success!