OK, well I guess I still don't completely understand the issue between "content" and "annotation." I just know that using the software I used previously, I could insert rectangles with rounded corners...and I can't do that with PDF-XChange. Although there is much I like about PDF...

Stefan, As I was thinking further about this issue and my last reply, I'm now not sure that I do understand the difference between "base content" and "annotation." You stated that the rectangles (with rounded corners) in the examples I attached were "base content" rathe...

Hi Stefan, Thanks for your reply. OK, I think I understand the difference between annotations and base content. But I still have not been able to accomplish the goal! Every tool I look at that has a rectangle (including text box) is apparently an annotation tool. I can't seem to find the rectangle &...

Yes, I attached an example to my original post. But if you did not see that one, I've attached an example of a manufacturer's PDF file to which I added several rectangles with rounded corners (solid red rectangles and dashed blue rectangles were added by me). The editing software I used allows the u...

This feature (rounded corners on rectangles) is a common feature of other pdf editing software. See attachment.