Advanced Options function the same for both single and joint clients.
When doing joint research, you will be able to tweak details of both clients, including all details of the income analysis scenario.
For more information about Advanced options, see the following articles:
Income Analysis - Advanced Options
Income Analysis - Advanced Options - Creating Scenarios
Income Analysis - Advanced Options - Editing Scenarios
Income Analysis - Advanced Options - Compare
Income Analysis - Advanced Options - Selecting a preferred scenario
