You could use VeryPDF PDF to Any Converter for Mac as a PDF to GIF Converter for Mac, and convert PDF pages to GIF images.
PDF is a widely used electronic document format, and you can convert PDF pages to GIF images to create thumbnails of the pages. Or you can publish the GIF images to display the PDF contents preventing the contents from being copied.
This article will show you how to use the PDF to GIF Converter for Mac. Firstly, please download and install the PDF to GIF Converter for Mac. After the installation, you may find it in the Applications in your Mac OS X. Run the application, and then you will see the interface as displayed in the following image.
To convert your PDF to GIF, please choose the option PDF to Image on the left panel of the interface. Then click Setting to open the Setting dialog that is displayed in the following image.
In the dialog box, choose .gif as the target conversion format (extension). If the input PDF files are encrypted or protected by passwords, please input the correct passwords in the Owner and User Password input box. For the image conversion, you may set the color depth, page size, and resolution in the dialog box. After setting, click Apply and return to the main interface of the application.
In the main interface, before converting, choose an Output Folder to save the converted GIF images. Then click Start to start the conversion.
In the above snapshot of the interface, you can see that PDF to GIF Converter for Mac supports more target formats beyond GIF. You may click the link to learn the features of the PDF to GIF Converter for Mac.