if your goal is to work with you ltener vision first note that the programs have a cost, in any case you can use them in mode of assessment and expire over a period of time
You can perform image acquisition only drivers from VAS , but for any treatment or handling or VDM VBAI you need , plus VAS . You can download the evaluation software from the following links :
In this example, we will create a program in Labview to capture images from a USB camera to your application for further processing using the NI Vision module.
https://decibel.ni.com/content/docs/DOC-30531