Adobes OCR can't handle a simple black-white tax document. To say nothing of OCRing scans. God help you if one text field wasn't recognized, because you sure as hell can't add the missing field.
And handy functions like "combine two PDF pages into one" (for example, combining front and back scan of something) are always easier to do by Googling than by using any software, even when you pay for it.
For example, I want to have a “check” in a form by clicking, not by dragging an “X” onto the box.
Since CoreGraphics on MacOS has fairly rich PDF support, Preview can do some degree of PDF manipulation: reorder pages, delete pages, insert pages, rotate, crop, annotate, etc.
> Ah I see what you mean, I was talking more about “editing” in the sense being able to fill all kinds of form entry and edit them and other text.
> For example, I want to have a “check” in a form by clicking, not by dragging an “X” onto the box.
Maybe, fortunately, most PDFs I consume are the reading kind.