Employee Document Records slowing down platform

Summary:

we've had the Employee Document Records functionality on in the past but it was slowing down the platform significantly. For the past few years we've turned it off and used alternative solutions for this. We're currently considering moving back to it and i was wondering:

1. is this a common challenge people are facing with the platform?
2. how do we redeploy and size that up to ensure it's not going to create issues in the future?