Why does my chart display "Generate report to see actual data"?
If you’re creating a report that contains data across a large number of campaigns, advertisers, or agencies, Search Ads 360 will sample the data and display a quick preview in the Search Ads 360 UI. The words
Generate report to see actual data will appear on the chart to let you know that the data is only sampled. To view all of the data, download the report or view the full report on the web.