How to Open PDF
How to View PDF
How to Edit PDF-
Edit PDF Texts
Edit PDF Images
Edit Links in PDF
PDF Watermark
PDF Background
Header & Footer
Bates Numbering
How to Edit Pages in PDF
How to Annotate PDF-
Marking up Text
Drawing Markup
Add Comments 
How to OCR PDF
How Edit PDF Forms-
Fill in PDF Forms
Create PDF Forms
Manage PDF Forms 
How to Protect PDF-
Password & Permission
Add Signature to PDF
Redact PDF 
How to Convert PDF
How to Create PDF
How to Mark up Text
1Highlight Text
By using the Highlight Text Tool in the Comment toolbar in iSkysoft PDF Editor 6 Professional you can easily highlight text in a PDF document. Click on the “Area highlight” button to make the selected area stands out.
2Underline Texts
You can use underline tools under Comment tab to draw attention to text in a PDF. Besides, you can also cross-out the text by using the icon “Strikethrough” or make the text appear underlined with a squiggly line in the toolbar.
3Caret Annotation
Use Caret Annotation function to add caret annotation to your text. A Caret Annotation is a visual symbol that indicates the presence of text edits.
