Yes. SNC configuration using above provided SAP article accomplish server side trust only. As Animesh said you have to configure client side SNC too.
You can following SAP article along with Animesh's guidance.
1768868 - What is SAP Business Objects Analysis and what SSO options are available?
https://websmp230.sap-ag.de/sap/support/notes/1768868
Best Regards,
Sastry