Smile has released PDFpen and PDFpenPro 10.1, an update to the all-purpose PDF editing tools for macOS. 

Users can add signatures, text, and images, make changes and correct typos, OCR scanned docs, fill out forms and more. They can mark up documents with highlighting, underscoring and strikethrough. Version 10.1 offers an improved form filling experience, better link visibility, and control over image opacity, as well as scripting access to some of the features in version 10.

PDFpen and PDFpenPro require macOS 10.12 or later. Go here (https://smilesoftware.com/PDFpen) for pricing and upgrade options.