I want to give respondents the ability to save their progress and come back to the survey at a later time, is this possible?

Description
Yes, go the Options page for your survey and check the box that reads, “Allow Respondent to Save Survey and Complete Later”. With this feature enabled, you will see a Save and Complete Later button on the bottom of your survey pages. You can also customize the button text and messaging text that appears on these screens. Go to the Text page for your survey to customize this text.