In PDF you can change annotation colors, widths, opacity, etc.

Edit, write, annotate, ink and draw PDFs.

Open, read, markup and save multiple large and complex PDF documents simultaneously.

PDF bookmarks, PDF printing, PDF search, formatting history and PDF sharing

Create new blank PDF documents with different size, color, orientation and page count.

Add signatures, notes, images and text.

Also add images and camera photos to PDFs.

Add shapes to PDF - Blur, rectangle, ellipse, line, arrow, polygon and polyline.

Text review markup - hand free highlighter, text highlighter, underline, strikethrough.

Switch between using the stylus/pen and finger tap to annotate any PDF.

Customize stroke, pressure sensitivity, and color settings.

Using a pen or stylus, smooth and natural ink feels like real ink.

It is renowned for its natural pen ink, uniquely intuitive and easy user interface, pen and touch compatibility, and an impressive array of markup and text review tools. Drawboard PDF is a free PDF reader, PDF editing program for Windows 10 computer users.

Pdf drawboard text