Install ReportPortal.Extensions.Selenium nuget package and see logs from Selenium.WebDriver in your report https://reportportal.io.
Just add .AddReportPortal() where you initialize new instance of WebDriver.
using ReportPortal.Extensions.Selenium;
...
var webDriver = new OpenQA.Selenium.Firefox.FirefoxDriver().AddReportPortal();
...And see output in report like
