Can someone have lupus even if the only symptom is bilateraljoint pain in hands, shoulder, knees, wrist?(-)rashes, photosensitivity, weakness, fatigue, fever

It is possible: It's possible to have any disease, however the odds and statistics would have a lupus diagnosis lower on the differential scale with simple joint pains, unless there is a family history, but as stated, lupus can have accompanying joint pain, so there is always a chance of the disease.

Of Course; ; Hope No: Lupus erythematosus is a notoriously variable disease process, from person to person ; time to time. Since which portions of their body the person's immune system is currently targeting, ; to what degree, varies widely, the consequences also vary widely. Even with high quality lab, diagnosis is problematic ; while treatment outcome, by only medications, can help, outcomes are rarely very good.