It´s impossible to copy a section - not even on the same sheet.
I want to clarify the assembly steps by using the same section, but with different model states.
Not only that I can´t change the model state in hindsight (which I suggested here: Model views individually adjustable in drawing - Autodesk Community), which I could achieve by fading out the elements in the model browser....but I cannot copy the section, although the initial view is on the same sheet.
Of course I can create a second section with the cutting line nearby the first one. But even then it´s nearly impossible to position the break lines in the same distance (at least with IV 2025...I heard a rumour that at least that is going to work with 2026), so that the result will look like amateur work. That is annoying for users like me, who have the ambition to work as accurately and precisely as possible!
So come on, Autodesk!!