"To pay an agent" means to give money or compensation to someone who is representing or working on your behalf to carry out a particular task or achieve a certain goal. Full definition
And when you consider that the seller typically pays the agent commissions, it becomes even more of a no - brainer. (homebuyinginstitute.com)
Suppose I sign a lease for an apartment and also pay the agent who showed me the apartment the fee they require. (law.stackexchange.com)
You could actually insist on not paying your agent if they don't fill in this section of the contract at the time of signing and you would likely prevail in court. (caare.org)