I spend too much money on this for the features to be so messed up. The main reason I use Lumin is so that I can combine multiple PDFs. Unfortunately, the editing feature where you can crop, rotate, and take pages out is so inadequate that the whole process of editing the documents became very frustrating. There is no way to undo a change in the editing, which is an absolutely necessary feature. Additionally, you should be able to delete and/or move multiple pages at once. Not only that, but every change I made would disrupt the order of the pages and duplicate pages. I had to delete the entire file multiple times. I will be searching for another platform that is more user-friendly and that does not create these time-consuming hassles.