Ally allows you to edit personal information such as your name, title, time zone, email, or password. Here's an article that has detailed instructions about this.
However, when SSO is enabled for your organization, profile updates should be done in your identity provider. They will then flow into your Ally.io account. You won't be able to manually update your profile in Ally; the fields will be disabled for edit. You can read more about SAML SSO here.