There are 3 different options to export Processes:
Export to PDF
Export a Process to PDF by selecting the Print icon at the top right hand side of the Process. Process Groups can also be printed.
Export to XML
Export a Process to XML by selecting the option Export to XML from the Cog Wheel > Export menu
Export a Process Group & Sub Processes to XML by right clicking on the Group in the left hand navigation menu and selecting the option Export to XML from the Export menu.
Export to BPMN/XPDL
Export a Process to XPDL by selecting Export to BPMN/XPDL from the Cog Wheel > Export menu. This will export an XPDL format.
Export to Procedure Text
Export a Process to Procedure text by select the Export Procedure Text option in the Cog Wheel > Export menu. Copy the Text that is shown in the dialog and paste into a text or word document where you wish this to be saved.