Adding Page Breaks
I think the problem might be that you have your Conditional of Sale in the pageFooterSection1 area which causes it to print on every page.
If you move it to the reportFooterSection1 area, then it should only print at the end of the report.
I set your pageFooterSection1 area to not be visible. Then I added the following really light reportFooterSection1 area:
It seemed to do what you are looking for: