Repeating columns and rows in a table in your Word document is possible. It will require programming skills (APEX) but if you follow this tutorial and check your data with Butler Inspector you will be alright!
Thing to note: If you need only columns to repeat, that can be done via the Simple Column Repeater and will require no APEX
You can download the example code here:Â MyActionable_LeadSourceColumnRepeater
Use a JSON as input for Complex Column Repeater: #
Find a demo below.
Thing to note: I would propose to use chatGPT to create a JSON parser that parses you data instead of writing it yourself!