For some users/categories, it is crucial to monitor the uploaded (or sent) traffic to the internet. The fear is from Data Leakage initiated from employees or some sort of threat leaking data to outside the network.
This shall not be part of DLP, as the report will only monitor the amount of data uploaded, and not the data or files.
Knowing that such report can be generated from the “Investigative Reports”, but the latter cannot be scheduled, which makes the Presentation reports more valuable, even if it is after the fact (i.e. the data is already uploaded), but at least noticed within a short time frame.