'F5 rules for AWS WAF' - OWASP Top 10 rules

F5 LTM? You mean F5 Advanced WAF (ASM) right? If so then they are even better and you can check:

https://support.f5.com/csp/article/K45215395

F5 has now owasp compliance dashboard that helps with securing the system:

https://community.f5.com/t5/technical-articles/making-waf-simple-introducing-the-owasp-compliance-dashboard/ta-p/285969

https://community.f5.com/t5/technical-articles/a-basic-owasp-2017-top-10-compliant-declarative-waf-policy/ta-p/289017

https://clouddocs.f5.com/training/community/waf/html/waf111/module1/lab4.html