the ability to create dynamic mathematical models that are used to calculate some of the indicators in the report (CPC, CPA, ROMI), which will allow the user to "play with the numbers" if necessary; the ability to visualize tables in graphs and charts; the ability to work with large amounts of data (sorting, filters), which will also make it Specific Database easier for the user to analyze. Of course, a report in Excel will not always look as presentable as in Power Point or PDF, but this is not always necessary, because an excess of graphic information will distract the user from the numbers and analytical calculations necessary for making decisions.
Make reports in Excel, after they are fully developed - integrate them into your CRM system. When preparing a report, care should be taken to ensure that the printable area is clearly vertically sequential, i.e. the information on the second sheet is lower (not to the right) than the information on the first sheet - this will allow the user to print the report immediately. You can use the "Fit all columns on one page" setting.