Sheet summary report not showing all columns

So i was trying to edit a sheet summary report that was built from someone prior to me and i was struggling to make the necessary changes so ive made a new summary report, however, i am running into the same issues. For some reason the column options in the sheet summary report are not all of the options that should be available from the sheet. Also, somehow the titles are different on a few of them.

The first picture below is of the options in the sheet and the next 2 pictures are of the available columns in the report. I dont understand why approved ACR amount from the sheet is showing up as ACR Amount in the report and why some of them are missing such as Committed Spend (PO Total).

Any help would be appreciated!

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