Adobe’s Warning. Before the actual release of the latest High Sierra, the Adobe team shared the problems they worried about. Let’s say, the upgrade converted the boot volume’s file system to the new APFS file system. It will make it impossible to apply the boot volume as a scratch disk in the Scratch Disks section of Preferences. Foxit Reader is a free, light-weight PDF document viewer. It allows you to create, view, and print PDFs. The application is noticeably smaller than Adobe's Acrobat software, making it ideal for those of you who need a powerful program which doesn't rely heavily upon system resources. Its core function is compatible with PDF Standard 1.7. Go to the Reader download page, and try downloading Reader again. For step-by-step instructions, see Install Adobe Acrobat Reader DC Mac OS. In case you are prompted to enter user name and password, enter your macOS user name and password. Download free Adobe Acrobat Reader DC software for your Windows, Mac OS and Android devices to view, print, and comment on PDF documents.
PDF Studio Viewer is a great, reliable PDF viewer for Mac that renders PDF documents with high fidelity (including digital signatures), and allows users to annotate documents as well as fill interactive forms.
Mac OSX versions supported: 10.15 (Catalina), 10.14 (Mojave), 10.13 (High Sierra), 10.12 (macOS Sierra), 10.11 (El Capitan), 10.10 (Yosemite), 10.9 (Mavericks), 10.8 (Mountain Lion), 10.7 (Lion)
PDF Studio Viewer is a very advanced PDF reader for Mac that supports more PDF features than Mac Preview when it comes to rendering PDF documents:
- Review & markup PDFs (with text, graphics annotations & markups)
- Validates digital signatures
- Opens encrypted (password protected) documents (including 256 bit encryption)
- Text selection that follows the natural order
- Quick navigation through thumbnails, bookmarks, signatures and comments panes
- Advanced tools such as continuous zoom, snapshot tool, loupe tool, pan and zoom tool
- Render PDF documents with high fidelity
- Supports all fonts
- Supports all images
- PDF layer support
- Support for file attachments
- High DPI screen support (4k and over)
- Rulers & Grids
- Touch Mode
- & more…
Download PDF Studio Viewer
If you need more reviewing and editing features, Qoppa Software also publishes PDF Studio Standard and Pro editions which are great alternatives to Adobe Acrobat®, offeredat an unbeatable price and that offer many additional functions:
- Create PDF from scan and other formats
- Document & Page Assembly
- Content Editing
- Digital Signatures
- Convert to and from PDF
- Interactive Form Designer
- OCR (Text Recognition)
- Reduce File Size
- Preflight, Imposition
- Compare PDFs (Overlay & Side by Side)