Hi, @thegardenerottawawest.
I can see that my colleague has already addressed your question about Jobber payroll integration issues. Please refer to the link provided:
https://quickbooks.intuit.com/learn-support/en-ca/employees-payroll/re-is-anybody-else-having-jobber....
If you still have questions regarding syncing your third-party app with QuickBooks, please do not hesitate to reply to this post. I will keep my notifications on to assist you further.