Writing or drawing with your finger or the Apple Pencil is fun and easy in PDF Expert 7. It offers the Pen and Marker tools to quickly jot down your thoughts or add beautiful visualizations to any PDF file.
or Marker 
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to choose the desired color and thickness. You can also adjust the tip sensitivity for the Pen and opacity for the Marker. PDF Expert 7 remembers your choice so the next time you can quickly pick the needed tool.
on the toolbar. If you need to redo your edits, tap and hold and select Redo.
If you frequently use a particular pen or marker pattern, add it to Favorites to make your workflow even more productive. Learn how to create a custom toolset in PDF Expert 7.
Tip: Use the two-finger scrolling to navigate your document while the drawing tool is active.
On your iPad, you can enable the wrist protection for comfortable writing. It allows you to rest your palm on the screen while writing and prevents iPad from reacting to this touch:
In the file manager, tap Settings at the bottom left.
Open PDF Viewer > Wrist protection and select one of the options.
To make note-taking on iPad more precise and convenient, try the Zoom Writing tool:
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at the top left.
.on the toolbar.
