After you configured you Membership Subscribe Plans, and you have users in your SimpleMembership User Groups, you may wish show they on your Joomla site
In Simple Membership you may do this with help Create Joomla menu to your SimpleMembership Users group or with help show Simple Membership Last Online users module
Create Joomla menu to your SimpleMembership Users group
First of all you need check, users exist in your Simple membership group and they "Enabled" and "Approved"
Go to Joomla menu manager and create menu item to "Simplemembership - Show users"
In SimpleMembership Joomla "Show users" menu, You see tab "Params", there you may select which simple membership user group you wish show
You need go to Joomla Module manager and there select "Simple Membership - last online users module"
In "Simple Membership - last online users module" you need