QB Issue Resolution:

You cannot.  Only one person can pay bills at a time.

Resolution for Issue 'Do I have to get out of host computer bills to pay to use in multi user?' available: Yes (Solved).
Source: Intuit Community forum.

Do I have to get out of host computer bills to pay to use in multi 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 computer bills
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Error Recovery for computer bills [Canada]
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