The Insert tab in the PDF Editor allows adding some page formatting elements as well as visual objects and comments.
The corresponding window of the Online PDF Editor:

The corresponding window of the Desktop PDF Editor:

Using this tab, you can:
- Use the Hand tool to move the page or objects.
- Use the Select tool to select visual elements on the page for further editing.
- Insert a Blank page into the file. Click the arrow on this icon to choose whether you want to insert a blank page before or after the cursor.
- Insert a table into the file.
- Insert a text box, Text Art, an image, or shapes into the file.
- Insert a hyperlink into the file.
- Insert an equation or a symbol into the file.