We're very used to Adobe Acrobat and one nice thing about it is, if you open a PDF and it has lines on it, hovering your mouse over the line will auto-detect that line as a place to type text and aligns it for you. This is much faster and easier than manually drawing a textbox every single place you want to type text, it makes filling out forms better.

I would love to see this in Lumin! Drawing textboxes is tedious.