Create Text Annotations
You have another Acrobat tool at your disposal for adding comments to a document: the Text Box tool. When you use the Text Box tool, you can add text notes with borders and, if you desire, a solid-color background. When you annotate a document with the Text Box tool, you create a static note that occupies space in the document, whereas a Sticky Note tool annotation is collapsed to an icon and can be popped up when needed. You can specify the font type, size, and style of text annotations.
Use the Add Text Box Tool
You can create a comment using the Add Text Box tool at any location in the document. When you create a comment with the Add Text Box tool, the comment appears on top of the actual elements in the PDF document. ...