Check out this blog post by bounteous reviewing methods for exporting raw data from ACS. This blog talks about in detail about the methods to view and export: delivery logs, tracking logs, and KPI logs: Exporting KPI Data From Adobe Campaign Standard
Adobe Campaign Standard (ACS) has a wealth of Dynamic Reporting options. From delivery dashboards to customizable reports, there are many ways for marketers to gauge the results of their ACS campaigns. Even with this wealth of options, marketers may still wish to export raw data for further analysis, for reasons ranging from internal analysis methods to "Big Data" platforms such as Google Analytics.