Yes - if you choose to post directly to your profile. By opting in to a profile that allows comments, you're now a moderator. This means you'll need to get familiar with your profile's set of moderation tools and the moderator guidelines.
You will be responsible for making sure personal information, spam, and other disallowed content isn't showing up on your profile and staying there. If you find that the community around your profile is growing, it can be helpful to add experienced moderators to assist in keeping an eye on reports, spam, and things that break the site wide content policy.