Once you have created a job and invited candidates, you can then review their given answers at a time that suits you.  

Simply click on the Jobs tab as shown on the main homepage menu:

Then click on the job which you would like to review candidates for from the jobs menu:

Once you have selected the desired job, you will see the following screen:

From this screen you can easily review all candidates at each stage of your 4-step process.

Top top: Search for specific candidates using their first or last name in the search bar.