A few functionalities that can be customized  in document editor

• Default document settings: Set default formatting values such as Font Name, Page Orientation, and Page Size, for all new documents you create via Zoho Office Integrator by passing the desired values in the document_defaults parameter in the Editor API call.
  
• Editor settings: Specify the units (inch or mm) of the document's ruler and set the document's default view type (page or web view) in the editor_settings parameter in the Editor API call.
  
• Document permissions: Define a set of permissions for each collaborator of your document. Allow or revoke document export and print options, and enable or disable the in-doc chat panel to communicate between collaborators via the permissions parameter in the Editor API call.