You may not the only one. I installed Report Builder 3 soon after installing SQL Server 2016 and later upgraded with SP1. I could see the Report Builder app icon in the All programs.
After installing Visual Studio Community 2017 and or after installing SQL Server Management Studio V 17.3, I do not see the Report Builder icon.
Right now it is under a different program group as shown here:
After installing Visual Studio Community 2017 and or after installing SQL Server Management Studio V 17.3, I do not see the Report Builder icon.
Right now it is under a different program group as shown here:
