The annotation tools that are found in the Ribbon can be used to modify text and add comments to your PDF.
Sticky Note
The sticky note tool allows you to add a note or comment on a specific location in your PDF.
To use this function simply select the Sticky Note button on the ribbon, click the desired comment location on the PDF and then type in your comment.
Highlight
The highlight tool allows you to highlight text in your PDF. To use the tool, simply select the Highlight button in the ribbon then left-click and drag your cursor over any text you wish to highlight.
The highlight colour can be changed by selecting the drop-down arrow below the Highlight button on the ribbon.
Underline
The underline tool allows you to underline text in your PDF. To use the tool, simply select the Underline button in the ribbon then left-click and drag your cursor over any text you wish to underline.
The underline colour can be changed by selecting the drop-down arrow below the Underline button on the ribbon.
Strike
The strike tool allows you to strike-through text in your PDF. To use the tool, simply select the Strike button in the ribbon then left-click and drag your cursor over any text you wish to strike-through.
The strike colour can be changed by selecting the drop-down arrow below the Strike button on the ribbon.
Text Box
The Text Box tool allows you to add extra text to a specific location in your PDF. To use this function simply select the Text Box button in the ribbon, click the desired location on the PDF and then type in your text.
To move a text box, simply click and drag.