QB Issue Resolution:

You can go to the vendor (like Citicard), Click on the square box with an arrow to export all of your credit card payments to excel and you could total by month.

Resolution for Issue 'Is there a way to show monthly purchases by account?' available: Yes (Solved).
Source: Intuit Community forum.

Is there a way to show monthly purchases by account?: 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 Citicard
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Error Recovery for Citicard [Canada]
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