Yes. However, it is not advisable to accept a settlement without at least first consulting with a lawyer. Doing so places you at risk of leaving money you deserve on the table, and facing future financial difficulty as you discover expenses the settlement amount is insufficient to cover.
Once you accept their settlement offer, your case is closed. The amount the insurance company first offers you is typically not enough to cover future medical care you may need, should your condition worsen.
Insurance adjusters tend to aggressively pressure you into a settlement. The experience of a traumatic motorcycle crash requires you to focus on rest and recovery. Instead of having to deal with an insurance company on top of it all, you’re better off hiring an attorney to take care of that for you.