In some scenario's user comes with the request to include a Previous/Next Option and Submit button at the last page of the Survey.

In this case, we can have some common cases.

Case 1: All questions are available in the same block and same page

Here the Previous/Next button is not needed.

Case 2: The questions are created in different blocks.

In this case, in the Look & Feel option, add the following

And in the block options, add the following

In this way, we can include Previous/Next button with a Submit button at last page.