I don't know about that exact spot, but replacing the SAS logo with a customer specific logo is a common request, and is documented in the custom themes doc.
I don't know the official answer, but since it's web based I'm going to say yes, you can probably hack it. Hopefully there's a setting or option though
I did it with another web based BI tool - not SAS.
The trick is to find the header source, whether it's text, an image or css and modify it there.
I don't know about that exact spot, but replacing the SAS logo with a customer specific logo is a common request, and is documented in the custom themes doc.
Found in the "Steps for Defining and Deploying a New Theme" chapter of the SAS(R) 9.4 Intelligence Platform: Middle-Tier Administration Guide
The SAS Users Group for Administrators (SUGA) is open to all SAS administrators and architects who install, update, manage or maintain a SAS deployment.