A Study to Assess Adverse Events, Change in Disease Activity, and How the Drug Moves Through the Body in Children With Juvenile Psoriatic Arthritis (jPsA) Receiving Subcutaneously Injected Risankizumab or Adalimumab

Inclusion Criteria: * Diagnosis of juvenile psoriatic arthritis (jPsA) according to International League of Associations for Rheumatology criteria for at least 3 months prior to screening. * Active Disease in \>= 3 joints at screening and at Baseline (swelling not due to deformity, or limitation of motion with pain, tenderness, or both) are eligible for inclusion in the study. * Have had an inadequate response (lack of efficacy after minimum 2-month duration of therapy at maximally tolerated dose), or intolerance to previous or current treatment with at least 1 of the following conventional synthetic disease-modifying antirheumatic drug (csDMARDs): methotrexate (MTX), sulfasalazine, leflunomide, or hydroxychloroquine. Exclusion Criteria: * Have any other autoimmune disease, rheumatic disease (including systemic Juvenile idiopathic arthritis \[JIA\], rheumatoid factor-positive or rheumatoid factor-negative polyarticular JIA, extended oligoarticular JIA, persistent oligoarticular JIA, enthesitis-related arthritis, and undifferentiated JIA), or overlap syndrome. * Prior inadequate response to treatments in the anti-TNF or IL-23 inhibitor classes.