Have a look at attached image on how?
From the image attached select named user and add the users whoom you would like to give access for objects or bookmark creation.
Let me know if that worked.
Capture.JPG.jpg 82.1 K
With allow serevr object creation settings, we cannot restrict bookmark i guess, i have added a snap to show how it looks in with access point with and without allow server object creation chekced in QMC.
Please share your view on this.
SerevrObjOption.jpg 79.8 K