1. to each other. It was customary at many companies I worked to evaluate at retrospectives how we did the past sprint: what went right and what to change in the next one. Who did well, who should improve
2. to management, what are the impediments regarding work, how satisfied is one with the job, whether jumping ships is imminent etc.
In my experience these kind of systems are often paper based or there is some weird JIRA project abuse going on. Sometimes people just pretended issues were never raised.
(After looking at your front page, I have NFI what your company is, does, or why I should give you money.)