Troubleshooting: Too Many Redirects After Installation
Firstly, I want to apologize for the poor experience, there are a few things that I just have to throw my hands up and blame server configurations. One is having the too many redirects issue after installing/activating Sprout Invoices. If this happens/ed to you please add the below code to your functions.php.
Docs on how to use code snippets like the one found above can be found here.