There are two questions related to SYSVIEW:
Q1. Is there a SYSVIEW Web UI?
Q2. Is there a way to stream SYSVIEW data to Elastic?
SYSVIEW 16.0 & 17.0 - z/OS supported releases -
The answers are:
A1. GMI is the Web UI to SYSVIEW
A2. SYSVIEW REST API will allow users to extract data from SYSVIEW then have a middleware application to send the data to Elastic/Splunk.:
Send z/OS Performance Data to Splunk via the SYSVIEW REST API
In this blog, there is a discussion on how to integrate SYSVIEW on z/OS with Splunk on the distributed side via a python program.