Candidates who register their interest through your jobs portal will be added to your 'Talent Pipeline'.
Additionally, you can move candidates to your Talent Pipeline if they are unsuccessful for a job they applied for, as explained in this help article: How to Reject a Candidate
View your Talent Pipeline by clicking 'Registered Candidates' under the 'Talent Pipeline' section in the main menu on the left:
From here you can view their profile and download their CV/Resume.
If you wish to invite one of these candidates to a job follow this help article: How to Invite a Candidate to a Job From Your Pipeline