Title says it all. I see in the legion comm that someone requested to join. how can I approve that request?

Go to your legion tab. there should be a place there that says request's or something it will have the number of request's in a circle next to it. Click on that and you can accept them in.

I don't see a Requests button. It could be one of the other leaders already denied the request, I suppose - would there be any indication if they had?

no there wouldn't.

i ask that a reason be posted on the officers comm as to why a player was rejected by all officers and leaders including myself...eg....low rank.....no activity....etc