Hi Jason,
Yes, it can be turned off.
I have shared the manual for instructions on disabling the ice maker. Kindly turn to page 39 of the manual for reference.
User manual:
https://downloadcenter.samsung.com/content/UM/202306/20230626142613049/FDR_RF5000C_DA68-04613A-00_EN_MES_CFR_1206.pdf
Have a great day!
^Chrystel