Hi Dyerseve3160,
Hope can help you for my answers below:
1. Yes, S8300E not support SMGR7 OVA due to memory hardware limit, so you only can install US+CM+CMM+SAL or US+CM+BSM+SAL for S8300E
2. If OOB is disabled, you can install the US/CM OVA via the real ip address of AVP, but you need to add...