While viewing pdfs horizontally on my iPhone (iPhone 11 pro max) the pdf doesn’t open in real full screen view (it dosen't fill the whole screen to view). in other words there’s grey margins thus can’t use the whole screen size for viewing the pdf & it’s limited to part of the screen. I've never faced this problem before I started using thd new iphone (I've used the app for many years on my previous iphone). I believe it’s not just on my iPhone but also on any other iPhone pro max because they all have big screen relatively to other iPhones maybe. Hope you can fix this so we can enjoy viewing pdfs in the whole screen (as supposed) & not part of it!. P.s a screenshot is attached to show the problem.