You added auto fill division in sale invoice. that good.but i want to know were i see the report of division. I added many division but not know how i see the report of all divison

When you create a Profit and Loss Statement, you can choose the division for each column:

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If you leave that field blank, you get a column for the entire business.

I added division in inventory item and also added in coustmer .how i see the divsion by coustmer to check the sale report

Use the Customer Summary report.