Patch 1.9.32.0 also introduced some new features:
You are trying to apply the patch to an already updated game or a pirated version with modified executables. Solution: Do not proceed. Uninstall Skyrim completely, delete the folder manually, reinstall from Steam, and let Steam update it properly. The Elder Scrolls V Skyrim Update Patch 1.9.32.0 Download
Followers will now properly equip better weapons and armor when given to them. Why This Version Matters for Modding Patch 1
No. SSE launched on version 1.4.2 and has since been updated to 1.6.x (Anniversary Edition). Patch 1.9.32.0 is irrelevant for SSE. delete the folder manually