only if the system admin allows them. If you haven't already done so, I'd recommend you ask the admin to go to the setup area, click on the review and approval section, and make appropriate adjustments.
@Kyna Baker - inactive‚ -- normally I'd attach a link to the workfront help article but "approval" is one of those words that when I try to search on it it brings up more wrong answers than right ones. What's a good way to search for the topic I actually needed (the setup area's "review and approval" section)?