To see posts from a specific user:
Go to the Leaderboard in the Statistics tab.
Find the name of the person you would like to see posts from.
Click on their name, and you'll be taken to a summary of their profile, where you can click on "posts created", as shown below:
When you click here you will be able to see and share the posts created by that specific user:
You can also see all the posts created by a specific user by clicking on their name on a post they have created on the SoAmpli feed, and then click on 'Posts Created':