From 8.X Release the vRA no longer sits under the Configure and Monitor Tabs in the standard vSphere web interface(Flash)
It has its own HTML5 page that you connect to, to manage the day to day operations. So basically in Chrome you will 1 tab for vSphere Web UI, and another for the vRA monitoring/config/etc. The standard vSphere UI does have a link to this new vRA that you can click and it will auto log you in.
What's New with SRM and vSphere Replication 8.1 - Virtual Blocks
Be sure to check the seed copies you do, because there was a bug in 8.1 where it would create a second folder with a (X) on the end for config files instead of using the seed folder.