Most of these options are explained in the help section, regarding functionality.
You can certainly limit boost at low RPM in the main tables, or BBG tables, to achieve what you want. The ECU will make your commanded target happen if it's all setup properly. Since you won't hit full boost...
If you make changes to a tune they won't take effect until you flash them in. It's also a good idea to save a copy so you can open it back up later with the exact settings you left off with last.
On the 10th Gen Civics it was always at low RPM and generally in higher gears that this happened. Setting the ramp more aggressively gives you higher boost targets earlier, and thusly more torque, any time you hit it! You can curb this both in the boost target tables and with boost by gear...
These vehicles are torque limited, airflow limited, and vary several things, including boost levels, based on your fuel quality along with your environmental factors.