QB Issue Resolution:

You can do it in the Preview application (or Photoshop, Illustrator, etc, but Preview is free with the OS). Save it as a PDF from preview and drag that into Layout Designer.

Resolution for Issue 'Is it possible to rotate a text label 90 degrees while editing an Invoice template?' available: Yes (Solved).
Source: Intuit Community forum.

Is it possible to rotate a text label 90 degrees while editing an Invoice template?: 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 Invoice
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Error Recovery for Invoice [Canada]
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