Depending on the permissions set for your user (admin console >> permissions >> homepage permissions) you should see the option present in the create menu, such as seen here in the Jive Community:
However, if these are set correctly for your user,
and you are still missing the option, I would recommend opening up a case in your customer group here in the Jive Community where the next available support engineer can assist in further investigations into your specific instance.
Yes, we have those permissions turned on for all registered users. I'll go ahead and open a case in our group.