Fortigate 100D maybe bug

Hı I use Forti 100D with 5.6.1 version,

1-) I use interface Role LAN-WAN-DMZ but Firewall IPV4 policy I can't select Interface Pair View this because grey,

2-) I use FSSO agent int the DC I want to set ignore Ip adress I can or I Can't

3-) I use 5.6.1 and Fortigate Monitor Firewall User Monitor user not loaded but All user Comming,

Thank you.