There are more events in the Events report than in the User Acquisition report

The User Acquisition report displays only events that occurred after the app was installed and the installation occurred during the selected report period. The Events report displays events that are not related to the installation date. The user could have installed the app earlier, before the selected period, and complete the event later.

If you didn't find the answer you were looking for, you can use the feedback form to submit your question. Please describe the problem in as much detail as possible. Attach a screenshot if possible.