On the document summary page, under the tab Engagement, the document analytics can be found.
These analytics are updated in real-time so you are always in control and aware of your recipient's engagement with your document.
The analytics will show how many times the document has been opened, the total time spent on the document, and how many unique viewers have looked at the doc.
You can also see how much time has been spent on each page of your document, which can hint at what your recipient is interested in most.
If you click on the orange bars a preview of the page will appear on the right-hand side.
Under the preview of the page, you can click on View page.
When clicking on it you will be redirected to the specific page under the tab Document on the summary page.