Tod has said it should not make any difference when leaving if you haven’t done it. It could be a problem if you need any immigration stuff before you leave as they would see it. Best to do a quick search for his post about it 👍😀
I used. I love pdf app. Quite good and free for 3 things per day. Very good compression and merge tools for combining various pages. For photos, I had to convert them to pdf first so I could add in combining pdf pages.