"Run Bridge in Rosetta Emulation Mode"

Two questions: two answers:

#1 Photoshop Tools in Bridge. If you installed the new PS-beta, there is a bug that kills the tools. Go back and reinstall the release PS. Also, note the following:

If any of these Tools are not under the Tools menu, it's missing because of either:

1. Your copy of Bridge is not matched to your copy of Photoshop. That is, if you are using Bridge 2022 and Photoshop 2023 when Photoshop is installed, Photoshop looks at the copy of Bridge, and if the two do not match, Photoshop will not install the scripts.
2.  If Photoshop is installed before Bridge, it cannot know that Bridge "may" be installed in the future, so it does not install any of the scripts into Bridge.

To resolve this, be sure you are using paired copies of Bridge and Photoshop, and when installing, be sure to install Bridge BEFORE installing Photoshop. If you've already installed both applications, you'll probably have to uninstall both, then reinstall them in the proper order.

Question #2: JPGing a JPG

One of the big "features" of ACR is that it never touches the original pixels. In raw images, this is forced upon the user because you cannot alter a raw image, only how it looks. In any JPG or TIF image, you can alter the image, but, as stated, ACR is built not to alter an image. So, all of ACR's adjustments are saved as XMP files, also known as side-car files. However, both JPG and TIF files are also known as container files. That is, they can contain information (sort of like a folder). [Note: DNG files are also container files.] Also, if you look at a tile in Bridge that you've adjusted in ACR, you will see the same icons in the upper right corner of the thumbnail, indicating that you made adjustments. If you right-click on one of these JPG files, you can scroll down to where it says "Develop Settings" and select Clear Settings, and all of your changes will be removed.

So, let's take a look at your JPG images: you've opened a file, made a bunch of adjustments, and now your file is magnificent, and you want to share it with others. However, to view those changes, the person looking at the image MUST have ACR on their computer to interpret the XMP data contained in the JPG. If they do not have ACR, they cannot see the changes. So, yes, to show these changes to others, you now have to resave the file as a new JPG, which will now display all of the great work you've done for all to see.

I hope both of these explanations work for you.