We have the same issue and I think the answer to both quetions is no.
As you point out you can use the custom graph tool to create overlapping bar charts to mimic the functionality but it adds extra complextity especially if you want to have 100% stacked bars and falls down altogether if you want more than two segments.
Registration is open! SAS is returning to Vegas for an AI and analytics experience like no other! Whether you're an executive, manager, end user or SAS partner, SAS Innovate is designed for everyone on your team. Register for just $495 by 12/31/2023.
If you are interested in speaking, there is still time to submit a session idea. More details are posted on the website.