You can actually see the page size in our app - for this, please do as follows: open the file > go to Page Thumbnails mode (4 squares icon) > right click on the page's thumbnail > select Show Page Size. You can also hide it in the same way.
February 10, 2020
How can I see the page size?
I'm unable to see the size of the page I'm working on - is this possible in your app?