Your comments are critical and incredibly important to the process.
Managers use your comments to learn how best to optimize new hire development, integration, and ramp to productivity. It's critical for you to be candid and transparent as your manager is the only person who sees your comments.
Managers can also use your comments to dial in the workflow for other future hires. They can pass feedback up to HR if it helps improve the workflow for others. The workflow evolves over time taking advantage of best practices, insight and suggestions provided by everyone to optimize the experience.
Please keep your feedback coming!