Annotation-first editing
Use movable text boxes, images/signatures, highlights, shapes, and freehand marks for the common edits people make to forms and documents.
Page organization built in
The page strip doubles as an organizer: drag to reorder, select a page, rotate it, or remove it before export.
What v1 does not pretend to do
Directly editing arbitrary embedded PDF text while perfectly preserving its original font/layout is a different and substantially harder capability. Quicklio clearly separates that from annotation editing.