If you choose the "GottFA80_PLuS_21x_Final_BOM_IC_Sockets.xlsx" BOM then 
JLCPCB will assemble IC-Sockets instead of the ICs for 
IC9,10 74HC00
IC6 74HC04	
IC18,IC19,IC8,IC4,IC1 74HCT240
IC20,IC21,IC22 74HCT244