Nearly all modern Linux installations are 64-bit, and forcing users to work around the problem by using virtual 32-bit machines or tricky 32-bit workarounds in the 64-bit environment is not really an acceptable level of support. And this has been the case for years.
Yes, we are aware the Pulse Secure Linux client is not available in the 8.2R1 admin console. We are working to resolve this in the next release. However, the Pulse Secure Linux client is compatible with 8.2R1.