QB Issue Resolution:
I don’t see why you couldn’t, but be aware that they will have all of the access that an accountant user will have!
Resolution for Issue 'Can I use one of my accountant logins for a regular user' available: Yes (Solved).
Source: Intuit Community forum.
Can I use one of my accountant logins for a regular user: this issue or error code is a known issue in Quickbooks Online (QBO) and/or Quickbooks. Support for this issue is available either by self-service or paid support options. Experts are available to resolve your Quickbooks issue to ensure minimal downtime and continue running your business. First try to resolve the issue yourself by looking for a resolution described below. If it is a complex issue or you are unable to solve the issue, you may contact us by clicking here or by using other support options.Support for accountant logins
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Error Recovery for accountant logins [Canada]
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