This article clarifies whether SSL VPN is supported on VMware NSX.
VMware NSX
VMware NSX does not support SSL VPN, which was previously supported on NSX for vSphere.
NSX-T natively supports IPSec VPN and Layer 2 VPN for site-to-site connectivity. Refer: https://techdocs.broadcom.com/us/en/vmware-cis/nsx/vmware-nsx/4-2/administration-guide/virtual-private-network-vpn.html
However, the below link talks about the alternative/steps to run a remote access VPN solution with VMware Cloud Director and NSX-T Data Center: