State the reason you are interested in the position and the reason you should be

State the reason you are interested in the position and the reason you should be selected for the position.
I have attached documents to help understand the roles. I previously worked as an SVC Paralegal for 3 years and want to highlight that in the essay. I have also attached the STCPN duty descriiptions and KSBs to use as well to “sell” myself for the role.