You can create bookmarks by selecting text on a page and making it a bookmark, or by adding an untitled bookmark and then setting and naming it in the Bookmarks pane.

Of all the field types, button fields have the broadest use. You can add buttons on PDF forms to perform a variety of actions associated with filling out a form or you can use buttons on PDF documents not intended for form use. Buttons can be used for items in any PDF such as navigational tools in a PDF design, hyperlinks for a variety of different actions, and just about any other condition that sparks your imagination.

Radio buttons can be assigned the same attributes as check box fields. You use radio buttons more often for either/or responses. When you create check boxes you can uncheck a checkbox by clicking on it. The only way to uncheck a radio button is to clear a form or check another button that turns off companion radio button checkmarks.

The most common field type on PDF forms is the text field. Text fields permit respondents to add alpha text and/or numeric values. You can format text fields in a number of different ways to ensure fields are completed properly. You can add custom format scripts, validate data, assign actions, and perform calculations on text fields.

The document information fields in Nitro Pro are useful for users who want to know more about a document, and they’re particularly useful if documents are to be indexed. These fields can be used to help categorize documents and help narrow down search results from search engines and other indexes.

Whether you write scripts in your own documents, or browse files for scripts to examine, you first need to know where to look for JavaScripts. In Nitro Pro you can find JavaScripts in the following locations:

Nitro Pro lets you view all comments in your PDF file from a single location. The Comments pane lists all of the comments in your file, along with information relating to each comment.

The drawing tools in Nitro Pro allow you to add predefined shapes (for example, lines, rectangles, or ovals) as well as free-form drawings to your PDF documents. These drawing tools include a corresponding pop-up note, enabling you to provide additional comments or further explanation for each drawing. You can also change the appearance of your drawings, with options for color, opacity, pointer styles, and more, depending on the type of drawing you use.

The Measure tool enables you to easily define the distance, area, and perimeter for a set of points based on a scale that you define.

Microsoft Rights Management (RMS) provides a service that protects and shares files by allowing you to encrypt your sensitive documents and restrict access to approved individuals only.