SQL Server : Does Apex Log reader miss to track any Transaction while SQL Transaction log backup running.

Hi Team,

We want to implement audit solution in my company.We are looking Apex log read.

My doubt:  In SQL server:  if we take transaction log backup , the transaction log information gets truncated from the transaction log file. in that case if we are using Apex Log Reader (to read online transaction log) will miss any records? 

Please advice