SO vs GP vs INV:
Sales Order vs Gate Pass vs Invoice Report can be fetched by clicking on Sales then clicking on Reports and then clicking on SO vs GP vs INV.
Following page will open as shown in the screenshot below.
Now select the date range for the report as per the requirement.
Once the Date Range is selected, click on the Report button at the bottom.
Your desired report will open in a new window with the Save / Print option.