How to add spaces in the Human Readable text of a Barcode Object?
In the Barcode properties, under the "Human Readable" section, you can use the Transform feature called "Character template".
This feature will allow you to have control over how to display the data to be seen on the human readable text of the all barcode types.
In the below screenshot you can see that adding spaces between the control characters used here add those same spaces in the Barcode object:
Our Help Library has information on how this feature works: Character Template Dialog