There is the "Redact" command in the Tools menu, but no Auto-Redact command although it is available via the Customize dialog.
Muhammet Kara committed a patch related to this issue. It has been pushed to "master": https://git.libreoffice.org/core/+/3f820a5638b84bd66c9a58172f1c812b54e6f9da%5E%21 tdf#127163: Add AutoRedactDoc command to the Tools menu It will be available in 6.4.0. The patch should be included in the daily builds available at https://dev-builds.libreoffice.org/daily/ in the next 24-48 hours. More information about daily builds can be found at: https://wiki.documentfoundation.org/Testing_Daily_Builds Affected users are encouraged to test the fix and report feedback.