The Markup group contain menus and commands for annotating PDFs. It is accessed by clicking Markup on the Menu bar.
The Text menu contains tools to create text-bearing markups.
Text Box (T): Places a text box markup.
Callout (Q): Adds a text callout markup.
Typewriter (W): Enables freely typing text on a PDF.
Note (N): Inserts a sticky note.
Flag (F): Inserts a linked flag on the currently active page.
The Pen menu contains markup tools that behave in a similar manner to a real-world pen.
Pen (P): Adds a free-drawn markup.
Highlight (H): Adds a semi-transparent line simulating a highlighter.
Eraser (SHIFT+E): Removes pen and highlighter markups.
The Lines menu contains tools to create linear markups.
Line (L): Adds a line markup.
Arrow (A): Adds an arrow markup.
Arc (SHIFT+C): Adds a curve markup.
Polyline (SHIFT+N): Adds a polyline markup.
Dimension (SHIFT+L): Adds a dimension or leader line markup.
The Shapes menu contains tools to create outlined shape markups.
Rectangle (R): Adds a rectangular markup.
Ellipse (E): Adds an elliptical markup.
Polygon (SHIFT+P): Adds a polygon markup with no set angles.
Cloud (C): Adds a polygon with a cloud-like appearance preset.
Cloud+ (K): Adds a polygon markup with a cloud-like appearance and callout box preset.
The Sketch menu contains tools to create sketch-to-scale markups. The Sketch Tools make it easy to create markups to an exact scale quickly. In addition to allowing for the creation of precise markups, when used in conjunction with Tool Set Scaling it can be used to create very useful tools for your Tool Chest.
Polygon Sketch to Scale: Adds a polygon markup to an exact scale.
Rectangle Sketch to Scale: Adds a rectangle markup to an exact scale.
Ellipse Sketch to Scale: Adds an ellipse markup to an exact scale.
Polyline Sketch to Scale: Adds a polyline markup to an exact scale.
Image (I): Inserts an image from a graphic file accessible on your workstation.
Image from Scanner (SHIFT+I): Inserts a new image markup from an image acquired from an attached scanner.
Crop Image: Crops an image markup.
Camera (CTRL+ALT+I): Adds an Image markup or embeds an image in a markup using the camera in the laptop or tablet.
Hyperlink (SHIFT+H): Allows the creation of hyperlinks in a PDF.
Create Hyperlinks from URLs: Creates hyperlinks from URLs that exist in the PDF content.
Attachment (F): Embeds a file in the PDF.
Stamp: Contains available stamps. See the Stamp Tool section for more information.