Searching for an official "Adobe Photoshop Portable" for Mac can be misleading, as Adobe does not manufacture or distribute a portable version
Photoshop "portable" is a well known hack. It's pirated and illegal, end of story. This isn't the first time we've heard about it. Is there a portable version of Photoshop? - Adobe Community
: Because these versions are disconnected from Adobe’s servers, you won't receive critical security patches or the latest feature updates.
Adobe Photoshop on Mac offers an unparalleled suite of editing tools, from basic adjustments to advanced manipulations. Its integration with other Adobe Creative Cloud applications, such as Lightroom and Illustrator, makes it an indispensable part of many creative workflows. For Mac users, Photoshop offers optimized performance, taking full advantage of macOS features and hardware capabilities.
These versions can silently scan your system for sensitive data, such as financial information or passwords, and send it to external servers. Legal & Safer Alternatives
If you're looking for a portable version of Photoshop, here are some features you might expect: