The first thing you need when making a report is the data and a folder structure to arrange it.
To make my life easier and depending on the output we need, I use power bi or excel with power query ( some times I start my reports in excels power query to match previous months' report then copy the code to power bi).
If all the data we need is downloaded from SAP and have reference documents can be moved to this location
Project folder π
Update files π
Report 1 π
Report 2 π
File
File
Reference files π
File 1
File 2
Word file explanation