You can use the checkbox in the toolbar to add a mark to a PDF — Markthedoc How to use the Checkbox Toolbar in Acrobat? How to turn on or disable preview window in Adobe Acrobat (Mac) — Mac support The preview window (right-Click on a PDF image and choose Show Preview in Options) allows you to view the documents contents without downloading it. The preview window is visible on the left column, and is also the only way to preview an uploaded .PDF document or downloaded file containing PDF files. In Acrobat, click the Tools button, next to the Options menu. Next to the Preferences box, click Show Preview. You can turn this feature off for all files (see the previous tip) to use the default preview, or use it to view the contents of an edited PDF. To view an edited PDF document in a preview window, click on the Open menu, then choose Display Preview. How to view or print from Acrobat Reader on Mac — Mac world How to view, edit or create PDF form documents from within Acrobat — Mac World Can I edit a PDF using text objects in Preview? How can I edit the preview to remove or edit the “Click and Hold Here for Up to 10 Seconds” warning? You can also edit PDF form components inside Acrobat using text objects (e.g., checkboxes). This type of editing is useful when you want to change the background color, font, font size, margin, page breaks, and other layout properties. How to edit or remove the “Click and Hold Here for Up to 10 Seconds” warning in Acrobat — World How to select a PDF file and use it as a printout — Mac world What is the relationship between previewing PDF files and “copy/paste” in OS X — Mac world For the past few years, Adobe Acrobat has supported “copy and paste” (copy from file to file), which is extremely useful for creating or creating PDF files from PDF forms. These are examples of what you can do with a standard selection: Copy a document from a PDF to another folder on your workstation: Select the PDF file and choose the “Copy” menu, then choose the other app (e.g., Preview). Save the changes to your PDF in the other app.