SignalTapII for continuous data acquisition ?

No, the LAI is a separate debugging feature of Quartus (not Signal Tap). You use unused pins on your FPGA to send internal signals out of the device to a bench logic analyzer or other bench lab equipment. See the Debug Tools user guide:

https://www.intel.com/content/www/us/en/programmable/products/design-software/fpga-design/quartus-prime/user-guides.html